Fix type annotation

cryzed · Feb 2, 2020 · 1eb03a2 · 1eb03a2
1 parent 740dc0e
commit 1eb03a2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/traffictoll/speedtest.py b/traffictoll/speedtest.py
@@ -55,7 +55,7 @@ def _sivel_speedtest_cli() -> SpeedTestResult:
         )
 
 
-def _get_speedtest_provider() -> _SpeedTestProvider:
+def _get_speedtest_provider() -> Optional[_SpeedTestProvider]:
     process = run(
         _SPEEDTEST_VERSION_COMMAND, stdout=subprocess.PIPE, universal_newlines=True
     )