fixes 1: validate complexity of ann assignments

flake8_annotations_complexity/ast_helpres.py

@@ -18,15 +18,17 @@ def validate_annotations_in_ast_node(node, max_annotations_complexity) -> List[T
         f for f in ast.walk(node)
         if isinstance(f, ast.FunctionDef)
     ]
+    annotations: List[ast.AST] = []
     for funcdef in func_defs:
-        annotations = list(filter(None, [a.annotation for a in funcdef.args.args]))
+        annotations += list(filter(None, [a.annotation for a in funcdef.args.args]))
         if funcdef.returns:
             annotations.append(funcdef.returns)
-        for annotation in annotations:
-            complexity = get_annotation_compexity(annotation)
-            if complexity > max_annotations_complexity:
-                too_difficult_annotations.append((
-                    annotation,
-                    complexity,
-                ))
+    annotations += [a.annotation for a in ast.walk(node) if isinstance(a, ast.AnnAssign) and a.annotation]
+    for annotation in annotations:
+        complexity = get_annotation_compexity(annotation)
+        if complexity > max_annotations_complexity:
+            too_difficult_annotations.append((
+                annotation,
+                complexity,
+            ))
     return too_difficult_annotations

tests/test_annotations_complexity.py

@@ -25,3 +25,8 @@ def test_ok_for_string_annotations_file():
     assert len(errors) == 1
     errors = run_validator_for_test_file('string_annotations.py', max_annotations_complexity=1)
     assert len(errors) == 2
+
+
+def test_validates_annotations_complexity_for_annassigments():
+    errors = run_validator_for_test_file('var_annotation.py')
+    assert len(errors) == 1

tests/test_files/var_annotation.py

@@ -0,0 +1,2 @@
+
+foo: Tuple[List[int], Optional[Dict[str, int]]] = tuple()