fixup! test: Add new test to check netrc auth leak

Author: danigm

tests/test_requests.py

@@ -707,15 +707,15 @@ def get_netrc_auth_mock(url):
 
     def test_basicauth_with_netrc_leak(self, httpbin):
         url1 = httpbin("basic-auth", "user", "pass")
-        url = url1[len("http://"):]
+        url = url1[len("http://") :]
         domain = url.split(":")[0]
         url = f"http://example.com:@{url}"
 
         netrc_file = tempfile.NamedTemporaryFile()
         netrc_file.write(b"machine example.com\n")
         netrc_file.write(b"login wronguser\n")
         netrc_file.write(b"password wrongpass\n")
-        netrc_file.write(f"machine {domain}\n".encode("utf8"))
+        netrc_file.write(f"machine {domain}\n".encode())
         netrc_file.write(b"login user\n")
         netrc_file.write(b"password pass\n")
         netrc_file.seek(0)