Remove all references to deprecated 'ioutil' package

.golangci.yaml

@@ -13,6 +13,7 @@ linters:
   disable-all: true
   enable:
     - deadcode
+    - depguard
     - errcheck
     - gosimple
     - govet
@@ -342,14 +343,14 @@ linters-settings:
       - shadow
 
 
-#   depguard:
-#     list-type: blacklist
-#     include-go-root: false
-#     packages:
-#       - github.com/sirupsen/logrus
-#     packages-with-error-message:
-#       # specify an error message to output when a blacklisted package is used
-#       - github.com/sirupsen/logrus: "logging is allowed only by logutils.Log"
+  depguard:
+    list-type: blacklist
+    include-go-root: true
+    packages:
+      - io/ioutil
+    packages-with-error-message:
+      # specify an error message to output when a blacklisted package is used
+      - io/ioutil: "replace with the matching functions from `io` or `os` packages"
 
 #   ifshort:
 #     # Maximum length of variable declaration measured in number of lines, after which linter won't suggest using short syntax.

persistence/media_download.go

@@ -2,7 +2,7 @@ package persistence
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"os"
 	"path"
@@ -34,7 +34,7 @@ func (d DefaultDownloader) Curl(url string, outpath string) error {
 		return fmt.Errorf("Error %s: %s", url, resp.Status)
 	}
 
-	data, err := ioutil.ReadAll(resp.Body)
+	data, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return fmt.Errorf("Error downloading image %s:\n  %w", url, err)
 	}

scraper/api_request_utils.go

@@ -3,7 +3,7 @@ package scraper
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/url"
 	"time"
@@ -41,7 +41,7 @@ func (api API) GetFeedFor(user_id UserID, cursor string) (TweetResponse, error)
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
-		content, err := ioutil.ReadAll(resp.Body)
+		content, err := io.ReadAll(resp.Body)
 		if err != nil {
 			panic(err)
 		}
@@ -52,7 +52,7 @@ func (api API) GetFeedFor(user_id UserID, cursor string) (TweetResponse, error)
 		return TweetResponse{}, fmt.Errorf("HTTP %s\n%s\n%s", resp.Status, s, content)
 	}
 
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return TweetResponse{}, fmt.Errorf("Error reading response body for GetUserFeedFor(%d):\n  %w", user_id, err)
 	}
@@ -131,14 +131,14 @@ func (api API) GetTweet(id TweetID, cursor string) (TweetResponse, error) {
 	defer resp.Body.Close()
 
 	if !(resp.StatusCode == http.StatusOK || resp.StatusCode == http.StatusForbidden) {
-		content, err := ioutil.ReadAll(resp.Body)
+		content, err := io.ReadAll(resp.Body)
 		if err != nil {
 			panic(err)
 		}
 		return TweetResponse{}, fmt.Errorf("Error getting %q.  HTTP %s: %s", req.URL, resp.Status, content)
 	}
 
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return TweetResponse{}, fmt.Errorf("Error reading HTTP request:\n  %w", err)
 	}
@@ -209,14 +209,14 @@ func (api API) GetUser(handle UserHandle) (APIUser, error) {
 		// Sometimes it randomly gives 403 Forbidden.  API's fault, not ours
 		// We check for this below
 		if !(resp.StatusCode == http.StatusOK || resp.StatusCode == http.StatusForbidden) {
-			content, err := ioutil.ReadAll(resp.Body)
+			content, err := io.ReadAll(resp.Body)
 			if err != nil {
 				panic(err)
 			}
 			return APIUser{}, fmt.Errorf("response status %s: %s", resp.Status, content)
 		}
 
-		body, err := ioutil.ReadAll(resp.Body)
+		body, err := io.ReadAll(resp.Body)
 		if err != nil {
 			return APIUser{}, fmt.Errorf("Error retrieving API response to GetUser(%s):\n  %w", handle, err)
 		}
@@ -270,14 +270,14 @@ func (api API) Search(query string, cursor string) (TweetResponse, error) {
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
-		content, err := ioutil.ReadAll(resp.Body)
+		content, err := io.ReadAll(resp.Body)
 		if err != nil {
 			panic(err)
 		}
 		return TweetResponse{}, fmt.Errorf("Error while searching for %q.  HTTP %s: %s", req.URL, resp.Status, content)
 	}
 
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return TweetResponse{}, fmt.Errorf("Error retrieving API response for Search(%q):\n  %w", query, err)
 	}

scraper/api_types_test.go

@@ -2,7 +2,7 @@ package scraper_test
 
 import (
 	"testing"
-	"io/ioutil"
+	"os"
 	"encoding/json"
 
 	"github.com/stretchr/testify/assert"
@@ -42,7 +42,7 @@ func TestNormalizeContent(t *testing.T) {
 	}
 
 	for _, v := range test_cases {
-		data, err := ioutil.ReadFile(v.filename)
+		data, err := os.ReadFile(v.filename)
 		if err != nil {
 			panic(err)
 		}
@@ -63,7 +63,7 @@ func TestNormalizeContent(t *testing.T) {
 
 func TestUserProfileToAPIUser(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/michael_malice_user_profile.json")
+	data, err := os.ReadFile("test_responses/michael_malice_user_profile.json")
 	if err != nil {
 		panic(err)
 	}
@@ -79,7 +79,7 @@ func TestUserProfileToAPIUser(t *testing.T) {
 
 func TestGetCursor(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/midriffs_anarchist_cookbook.json")
+	data, err := os.ReadFile("test_responses/midriffs_anarchist_cookbook.json")
 	if err != nil {
 		panic(err)
 	}
@@ -102,7 +102,7 @@ func TestIsEndOfFeed(t *testing.T) {
 		{"test_responses/kwiber_end_of_feed.json", true},
 	}
 	for _, v := range test_cases {
-		data, err := ioutil.ReadFile(v.filename)
+		data, err := os.ReadFile(v.filename)
 		if err != nil {
 			panic(err)
 		}
@@ -116,7 +116,7 @@ func TestIsEndOfFeed(t *testing.T) {
 
 func TestHandleTombstonesHidden(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/tombstones/tombstone_hidden_1.json")
+	data, err := os.ReadFile("test_responses/tombstones/tombstone_hidden_1.json")
 	if err != nil {
 		panic(err)
 	}
@@ -146,7 +146,7 @@ func TestHandleTombstonesHidden(t *testing.T) {
 
 func TestHandleTombstonesDeleted(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/tombstones/tombstone_deleted.json")
+	data, err := os.ReadFile("test_responses/tombstones/tombstone_deleted.json")
 	if err != nil {
 		panic(err)
 	}
@@ -169,7 +169,7 @@ func TestHandleTombstonesDeleted(t *testing.T) {
 
 func TestHandleTombstonesUnavailable(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/tombstones/tombstone_unavailable.json")
+	data, err := os.ReadFile("test_responses/tombstones/tombstone_unavailable.json")
 	if err != nil {
 		panic(err)
 	}

scraper/api_types_v2.go

@@ -1,13 +1,13 @@
 package scraper
 
 import (
+	"encoding/json"
 	"fmt"
+	"io"
 	"net/http"
 	"net/url"
-	"io/ioutil"
-	"time"
-	"encoding/json"
 	"strings"
+	"time"
 
 	log "github.com/sirupsen/logrus"
 )
@@ -397,7 +397,7 @@ func (api API) GetGraphqlFeedFor(user_id UserID, cursor string) (APIV2Response,
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
-		content, err := ioutil.ReadAll(resp.Body)
+		content, err := io.ReadAll(resp.Body)
 		if err != nil {
 			panic(err)
 		}
@@ -408,7 +408,7 @@ func (api API) GetGraphqlFeedFor(user_id UserID, cursor string) (APIV2Response,
 		return APIV2Response{}, fmt.Errorf("HTTP %s\n%s\n%s", resp.Status, s, content)
 	}
 
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return APIV2Response{}, fmt.Errorf("Error reading HTTP response body:\n  %w", err)
 	}

scraper/api_types_v2_test.go

@@ -2,7 +2,7 @@ package scraper_test
 
 import (
 	"testing"
-	"io/ioutil"
+	"os"
 	"encoding/json"
 	"fmt"
 
@@ -16,7 +16,7 @@ import (
  * Parse an  APIV2User
  */
 func TestAPIV2ParseUser(t *testing.T) {
-	data, err := ioutil.ReadFile("test_responses/api_v2/user_michael_malice.json")
+	data, err := os.ReadFile("test_responses/api_v2/user_michael_malice.json")
 	if err != nil {
 		panic(err)
 	}
@@ -53,7 +53,7 @@ func TestAPIV2ParseUser(t *testing.T) {
  * Parse a plain text tweet
  */
 func TestAPIV2ParseTweet(t *testing.T) {
-	data, err := ioutil.ReadFile("test_responses/api_v2/tweet_plaintext.json")
+	data, err := os.ReadFile("test_responses/api_v2/tweet_plaintext.json")
 	if err != nil {
 		panic(err)
 	}
@@ -102,7 +102,7 @@ func TestAPIV2ParseTweet(t *testing.T) {
  */
 func TestAPIV2ParseTweetWithQuotedTweet(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/tweet_with_quoted_tweet.json")
+	data, err := os.ReadFile("test_responses/api_v2/tweet_with_quoted_tweet.json")
 	if err != nil {
 		panic(err)
 	}
@@ -156,7 +156,7 @@ func TestAPIV2ParseTweetWithQuotedTweet(t *testing.T) {
  */
 func TestAPIV2ParseRetweet(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/retweet.json")
+	data, err := os.ReadFile("test_responses/api_v2/retweet.json")
 	if err != nil {
 		panic(err)
 	}
@@ -216,7 +216,7 @@ func TestAPIV2ParseRetweet(t *testing.T) {
  */
 func TestAPIV2ParseRetweetedQuoteTweet(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/retweet_with_quote_tweet.json")
+	data, err := os.ReadFile("test_responses/api_v2/retweet_with_quote_tweet.json")
 	if err != nil {
 		panic(err)
 	}
@@ -276,7 +276,7 @@ func TestAPIV2ParseRetweetedQuoteTweet(t *testing.T) {
  */
 func TestAPIV2ParseTweetWithQuotedTombstone(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/tweet_with_quoted_tombstone.json")
+	data, err := os.ReadFile("test_responses/api_v2/tweet_with_quoted_tombstone.json")
 	if err != nil {
 		panic(err)
 	}
@@ -312,7 +312,7 @@ func TestAPIV2ParseTweetWithQuotedTombstone(t *testing.T) {
  */
 func TestAPIV2ParseTweetWithURL(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/tweet_with_url.json")
+	data, err := os.ReadFile("test_responses/api_v2/tweet_with_url.json")
 	if err != nil {
 		panic(err)
 	}
@@ -349,7 +349,7 @@ func TestAPIV2ParseTweetWithURL(t *testing.T) {
  */
 func TestAPIV2ParseTweetWithURLPlayerCard(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/tweet_with_url_player_card.json")
+	data, err := os.ReadFile("test_responses/api_v2/tweet_with_url_player_card.json")
 	if err != nil {
 		panic(err)
 	}
@@ -381,7 +381,7 @@ func TestAPIV2ParseTweetWithURLPlayerCard(t *testing.T) {
  */
 func TestAPIV2ParseTweetWithURLRetweet(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/retweet_with_url.json")
+	data, err := os.ReadFile("test_responses/api_v2/retweet_with_url.json")
 	if err != nil {
 		panic(err)
 	}
@@ -408,7 +408,7 @@ func TestAPIV2ParseTweetWithURLRetweet(t *testing.T) {
  */
 func TestAPIV2ParseTweetWithPoll(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/tweet_with_poll.json")
+	data, err := os.ReadFile("test_responses/api_v2/tweet_with_poll.json")
 	if err != nil {
 		panic(err)
 	}
@@ -444,7 +444,7 @@ func TestAPIV2ParseTweetWithPoll(t *testing.T) {
 
 
 func TestParseAPIV2UserFeed(t *testing.T) {
-	data, err := ioutil.ReadFile("test_responses/api_v2/user_feed_apiv2.json")
+	data, err := os.ReadFile("test_responses/api_v2/user_feed_apiv2.json")
 	if err != nil {
 		panic(err)
 	}
@@ -501,7 +501,7 @@ func TestParseAPIV2UserFeed(t *testing.T) {
  */
 func TestAPIV2FeedIsEmpty(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/empty_response.json")
+	data, err := os.ReadFile("test_responses/api_v2/empty_response.json")
 	if err != nil {
 		panic(err)
 	}
@@ -528,7 +528,7 @@ func TestAPIV2FeedIsEmpty(t *testing.T) {
  */
 func TestAPIV2GetMainInstructionFromFeed(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/user_feed_apiv2.json")
+	data, err := os.ReadFile("test_responses/api_v2/user_feed_apiv2.json")
 	if err != nil {
 		panic(err)
 	}
@@ -555,7 +555,7 @@ func TestAPIV2GetMainInstructionFromFeed(t *testing.T) {
  */
 func TestAPIV2TombstoneEntry(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/tombstone_tweet.json")
+	data, err := os.ReadFile("test_responses/api_v2/tombstone_tweet.json")
 	require.NoError(t, err)
 
 	var tweet_result APIV2Result
@@ -571,7 +571,7 @@ func TestAPIV2TombstoneEntry(t *testing.T) {
 
 func TestTweetWithWarning(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/api_v2/tweet_with_warning.json")
+	data, err := os.ReadFile("test_responses/api_v2/tweet_with_warning.json")
 	require.NoError(t, err)
 	var tweet_result APIV2Result
 	err = json.Unmarshal(data, &tweet_result)

scraper/guest_token.go

@@ -1,11 +1,12 @@
 package scraper
 
-import "fmt"
-import "time"
-
-import "io/ioutil"
-import "net/http"
-import "encoding/json"
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+)
 
 type GuestTokenResponse struct {
 	Token       string `json:"guest_token"`
@@ -34,14 +35,14 @@ func GetGuestToken() (string, error) {
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
-		content, err := ioutil.ReadAll(resp.Body)
+		content, err := io.ReadAll(resp.Body)
 		if err != nil {
 			panic(err)
 		}
 		return "", fmt.Errorf("HTTP %s: %s", resp.Status, content)
 	}
 
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return "", fmt.Errorf("Error reading HTTP response body:\n  %w", err)
 	}

scraper/guest_token_test.go

@@ -1,8 +1,9 @@
 package scraper_test
 
 import (
-	"testing"
 	"fmt"
+	"testing"
+
 	. "offline_twitter/scraper"
 )
 
@@ -19,7 +20,6 @@ func TestGetGuestToken(t *testing.T) {
 	fmt.Println(token)
 }
 
-
 // Tests the caching.  Should run much much faster than an HTTP request, since all requests
 // other than the first use the cache.
 func BenchmarkGetGuestToken(b *testing.B) {

scraper/image_test.go

@@ -2,7 +2,7 @@ package scraper_test
 
 import (
     "testing"
-    "io/ioutil"
+    "os"
     "encoding/json"
 
     "github.com/stretchr/testify/assert"
@@ -13,7 +13,7 @@ import (
 
 func TestParseAPIMedia(t *testing.T) {
     assert := assert.New(t)
-    data, err := ioutil.ReadFile("test_responses/tweet_content/image.json")
+    data, err := os.ReadFile("test_responses/tweet_content/image.json")
     if err != nil {
         panic(err)
     }

scraper/poll_test.go

@@ -2,7 +2,7 @@ package scraper_test
 
 import (
     "testing"
-    "io/ioutil"
+    "os"
     "encoding/json"
 
     "github.com/stretchr/testify/assert"
@@ -13,7 +13,7 @@ import (
 
 func TestParsePoll2Choices(t *testing.T) {
     assert := assert.New(t)
-    data, err := ioutil.ReadFile("test_responses/tweet_content/poll_card_2_options.json")
+    data, err := os.ReadFile("test_responses/tweet_content/poll_card_2_options.json")
     if err != nil {
         panic(err)
     }
@@ -37,7 +37,7 @@ func TestParsePoll2Choices(t *testing.T) {
 
 func TestParsePoll4Choices(t *testing.T) {
     assert := assert.New(t)
-    data, err := ioutil.ReadFile("test_responses/tweet_content/poll_card_4_options_ended.json")
+    data, err := os.ReadFile("test_responses/tweet_content/poll_card_4_options_ended.json")
     if err != nil {
         panic(err)
     }

scraper/retweet_test.go

@@ -2,7 +2,7 @@ package scraper_test
 
 import (
 	"encoding/json"
-	"io/ioutil"
+	"os"
 	"testing"
 
     "github.com/stretchr/testify/assert"
@@ -13,7 +13,7 @@ import (
 
 func TestParseSingleRetweet(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/tweet_that_is_a_retweet.json")
+	data, err := os.ReadFile("test_responses/tweet_that_is_a_retweet.json")
 	if err != nil {
 		panic(err)
 	}

scraper/tweet_test.go

@@ -2,7 +2,7 @@ package scraper_test
 
 import (
 	"encoding/json"
-	"io/ioutil"
+	"os"
 	"testing"
 
     "github.com/stretchr/testify/assert"
@@ -12,7 +12,7 @@ import (
 )
 
 func load_tweet_from_file(filename string) Tweet{
-	data, err := ioutil.ReadFile(filename)
+	data, err := os.ReadFile(filename)
 	if err != nil {
 		panic(err)
 	}
@@ -174,7 +174,7 @@ func TestTweetWithPoll(t *testing.T) {
 
 func TestParseTweetResponse(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/michael_malice_feed.json")
+	data, err := os.ReadFile("test_responses/michael_malice_feed.json")
 	if err != nil {
 		panic(err)
 	}
@@ -193,7 +193,7 @@ func TestParseTweetResponse(t *testing.T) {
 
 func TestParseTweetResponseWithTombstones(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/tombstones/tombstone_deleted.json")
+	data, err := os.ReadFile("test_responses/tombstones/tombstone_deleted.json")
 	if err != nil {
 		panic(err)
 	}

scraper/url_test.go

@@ -2,7 +2,7 @@ package scraper_test
 
 import (
     "testing"
-    "io/ioutil"
+    "os"
     "encoding/json"
 
     "github.com/stretchr/testify/assert"
@@ -13,7 +13,7 @@ import (
 
 func TestParseAPIUrlCard(t *testing.T) {
     assert := assert.New(t)
-    data, err := ioutil.ReadFile("test_responses/tweet_content/url_card.json")
+    data, err := os.ReadFile("test_responses/tweet_content/url_card.json")
     if err != nil {
         panic(err)
     }
@@ -38,7 +38,7 @@ func TestParseAPIUrlCard(t *testing.T) {
 
 func TestParseAPIUrlCardWithPlayer(t *testing.T) {
     assert := assert.New(t)
-    data, err := ioutil.ReadFile("test_responses/tweet_content/url_card_with_player.json")
+    data, err := os.ReadFile("test_responses/tweet_content/url_card_with_player.json")
     if err != nil {
         panic(err)
     }
@@ -60,7 +60,7 @@ func TestParseAPIUrlCardWithPlayer(t *testing.T) {
 
 func TestParseAPIUrlCardWithPlayerAndPlaceholderThumbnail(t *testing.T) {
     assert := assert.New(t)
-    data, err := ioutil.ReadFile("test_responses/tweet_content/url_card_with_player_placeholder_image.json")
+    data, err := os.ReadFile("test_responses/tweet_content/url_card_with_player_placeholder_image.json")
     if err != nil {
         panic(err)
     }
@@ -82,7 +82,7 @@ func TestParseAPIUrlCardWithPlayerAndPlaceholderThumbnail(t *testing.T) {
 
 func TestParseAPIUrlCardWithoutThumbnail(t *testing.T) {
     assert := assert.New(t)
-    data, err := ioutil.ReadFile("test_responses/tweet_content/url_card_without_thumbnail.json")
+    data, err := os.ReadFile("test_responses/tweet_content/url_card_without_thumbnail.json")
     if err != nil {
         panic(err)
     }

scraper/user_test.go

@@ -3,7 +3,7 @@ package scraper_test
 import (
 	"testing"
 	"encoding/json"
-	"io/ioutil"
+	"os"
 	"net/http"
 
 	"github.com/jarcoal/httpmock"
@@ -15,7 +15,7 @@ import (
 
 func TestParseSingleUser(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/michael_malice_user_profile.json")
+	data, err := os.ReadFile("test_responses/michael_malice_user_profile.json")
 	if err != nil {
 		panic(err)
 	}
@@ -54,7 +54,7 @@ func TestParseSingleUser(t *testing.T) {
  */
 func TestParseBannedUser(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/suspended_user.json")
+	data, err := os.ReadFile("test_responses/suspended_user.json")
 	if err != nil {
 		panic(err)
 	}
@@ -79,7 +79,7 @@ func TestParseBannedUser(t *testing.T) {
  */
 func TestParseDeletedUser(t *testing.T) {
 	assert := assert.New(t)
-	data, err := ioutil.ReadFile("test_responses/deleted_user.json")
+	data, err := os.ReadFile("test_responses/deleted_user.json")
 	if err != nil {
 		panic(err)
 	}

scraper/video_test.go

@@ -2,7 +2,7 @@ package scraper_test
 
 import (
     "testing"
-    "io/ioutil"
+    "os"
     "encoding/json"
 
     "github.com/stretchr/testify/assert"
@@ -13,7 +13,7 @@ import (
 
 func TestParseAPIVideo(t *testing.T) {
     assert := assert.New(t)
-    data, err := ioutil.ReadFile("test_responses/tweet_content/video.json")
+    data, err := os.ReadFile("test_responses/tweet_content/video.json")
     if err != nil {
         panic(err)
     }