Assist in specifying types via docstrings

(Intention for docstring and intention for assertion)

python/testData/intentions/afterTypeAssertion.py

@@ -0,0 +1,4 @@
+def foo(a, b):
+  assert isinstance(a, object)
+  a.
+  b = 1

python/testData/intentions/afterTypeInDocstring.py

@@ -0,0 +1,6 @@
+def foo(a, b):
+  """
+  :type a: object
+  """
+  a.
+  b = 1

python/testData/intentions/beforeTypeAssertion.py

@@ -0,0 +1,3 @@
+def foo(a, b):
+  a<caret>.
+  b = 1

python/testData/intentions/beforeTypeInDocstring.py

@@ -0,0 +1,3 @@
+def foo(a, b):
+  a<caret>.
+  b = 1