Adding lint fixes

Author: ocelotl

ext/opentelemetry-ext-flask/src/opentelemetry/ext/flask/__init__.py

@@ -161,14 +161,18 @@ def __init__(self):
         super().__init__()
         self._original_flask_class = None
 
-    def _instrument(self, flask_class=None):
+    def _instrument(
+        self, flask_class=None
+    ):  # pylint: disable=arguments-differ
         if flask_class is not None:
             self._original_flask_class = flask_class
             return _InstrumentedFlask
 
         self._original_flask_class = flask.Flask
         flask.Flask = _InstrumentedFlask
 
-    def _uninstrument(self):
+        return None
+
+    def _uninstrument(self):  # pylint: disable=arguments-differ
         flask.Flask = self._original_flask_class
         return self._original_flask_class

opentelemetry-auto-instrumentation/tests/test_instrumentor.py

@@ -21,10 +21,10 @@
 
 class TestInstrumentor(TestCase):
     class Instrumentor(BaseInstrumentor):
-        def _instrument(self):
+        def _instrument(self, **kwargs):
             return "instrumented"
 
-        def _uninstrument(self):
+        def _uninstrument(self, **kwargs):
             return "uninstrumented"
 
     def test_protect(self):