Enabled nox to recognize docstring formatting errors (#122)

* enables trivial orchestrators

* added flake8-docstring, fixed arg to flake8 ,fixed formatting on noxfile

* removed accidental commit from other PR

noxfile.py

@@ -5,10 +5,11 @@ def tests(session):
     # same as pip install -r -requirements.txt
     session.install("-r", "requirements.txt")
     session.install("pytest")
-    session.run("pytest","-v","tests")
+    session.run("pytest", "-v", "tests")
+
 
 @nox.session(python="3.7")
 def lint(session):
     session.install("flake8")
-    session.run("flake8","./azure/**py")
-
+    session.install("flake8-docstrings")
+    session.run("flake8", "./azure/")