diff --git a/tests/repositories/conftest.py b/tests/repositories/conftest.py
index a6793e6ba58..1f9a6d11946 100644
--- a/tests/repositories/conftest.py
+++ b/tests/repositories/conftest.py
@@ -50,7 +50,8 @@ def metadata_mock(url: str, **__: Any) -> requests.Response:
                     / "metadata"
                     / posixpath.basename(url)
                 )
-                .read_bytes()
+                .read_text()
+                .encode()
             )
             return response
         raise requests.HTTPError()
diff --git a/tests/repositories/fixtures/legacy/isort-metadata.html b/tests/repositories/fixtures/legacy/isort-metadata.html
index 4a72ba6863c..699a13e0192 100644
--- a/tests/repositories/fixtures/legacy/isort-metadata.html
+++ b/tests/repositories/fixtures/legacy/isort-metadata.html
@@ -6,7 +6,7 @@
 <body>
 <h1>Links for isort</h1>
 <a href="https://files.pythonhosted.org/packages/1f/2c/non-existant/isort-metadata-4.3.4-py3-none-any.whl#sha256=1153601da39a25b14ddc54955dbbacbb6b2d19135386699e2ad58517953b34af"
-   data-dist-info-metadata="sha256=032d41ef93ff20e432cdc1f9cea7918458ae93ddbfea63d7d11b1eaf1915c430">isort-metadata-4.3.4-py3-none-any.whl</a><br/>
+   data-dist-info-metadata="sha256=e360bf0ed8a06390513d50dd5b7e9d635c789853a93b84163f9de4ae0647580c">isort-metadata-4.3.4-py3-none-any.whl</a><br/>
 </body>
 </html>
 <!--SERIAL 3575149-->
diff --git a/tests/repositories/fixtures/metadata/isort-metadata-4.3.4-py3-none-any.whl.metadata b/tests/repositories/fixtures/metadata/isort-metadata-4.3.4-py3-none-any.whl.metadata
index 376f96c5aa8..bab8d017156 100644
--- a/tests/repositories/fixtures/metadata/isort-metadata-4.3.4-py3-none-any.whl.metadata
+++ b/tests/repositories/fixtures/metadata/isort-metadata-4.3.4-py3-none-any.whl.metadata
@@ -26,4 +26,3 @@ Classifier: Topic :: Software Development :: Libraries
 Classifier: Topic :: Utilities
 Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*
 Requires-Dist: futures; python_version=="2.7"
-€
\ No newline at end of file
