Update rope from 0.20.1 to 0.21.0 (#631)

pyup-bot · web-flow · commit 1e33d37058fd · 2021-10-20T08:13:37.000+05:30
diff --git a/requirements-testing.txt b/requirements-testing.txt
@@ -11,4 +11,4 @@ codecov==2.1.12
 tox==3.24.4
 mccabe==0.6.1
 pylint==2.11.1
-rope==0.20.1
+rope==0.21.0
