PyCharm issuing wrong and annoying intellisense warnings (Python 2.7.14, PyCharm 2017.3.2)

pycharm-intellisense-issues.py

# Python 2.7.14, PyCharm 2017.3.2

from collections import defaultdict

some_default_dict = defaultdict(list)
some_default_dict[1] = 'a'
some_default_dict[2] = 'b'

some_objects = [{'id': i} for i in range(10)]
obj_by_id = {obj['id']: obj for obj in some_objects}

for key, value in some_default_dict.iteritems():
#                 ^^^^^^^^^^^^^^^^^^^^^^^^^ PyCharm warning: Expected 'collections.Iterable', got 'Iterator[Tuple[Any, Any]]' instead
    obj = obj_by_id.get(key)
#                   ^^^ PyCharm warning: Unresolved attribute reference 'get' for class 'dict'

some_default_dict.values()
#                 ^^^^^^ PyCharm warning: Unresolved attribute reference 'values' for class 'defaultdict'


def foo(**kwargs):
    kwargs.pop('bla', None)
#          ^^^ PyCharm warning: Unresolved attribute reference 'pop' for class 'dict'


def bar(**kwargs):
    foo(**kwargs)
#       ^^^^^^^^ PyCharm warning: Expected a dictionary, got dict

bar(a=1, b=2)