Fixed linting errors

Author: gkevinzheng

noxfile.py

@@ -151,7 +151,7 @@ def format(session):
 @nox.session(python=DEFAULT_PYTHON_VERSION)
 def lint_setup_py(session):
     """Verify that setup.py is valid (including RST check)."""
-    session.install("docutils", "pygments")
+    session.install("setuptools", "docutils", "pygments")
     session.run("python", "setup.py", "check", "--restructuredtext", "--strict")
 
 

tests/system/test_system.py

@@ -1058,7 +1058,7 @@ def retryable():
             # http and gapic results should be consistent
             self.assertEqual(gapic_list[0].insert_id, http_list[0].insert_id)
             # returned logs should be in descending order
-            self.assertEqual(gapic_list[0].payload, f"test {log_count-1}")
+            self.assertEqual(gapic_list[0].payload, f"test {log_count - 1}")
 
         RetryErrors(
             (ServiceUnavailable, InternalServerError, AssertionError),