work around issue 6112 in mypy

comments.py

@@ -570,7 +570,7 @@ def __len__(self):
         return count
 
 
-class CommentedMapKeysView(CommentedMapView, Set):
+class CommentedMapKeysView(CommentedMapView, Set):  # type: ignore
     __slots__ = ()
 
     @classmethod
@@ -589,7 +589,7 @@ def __iter__(self):
             yield x
 
 
-class CommentedMapItemsView(CommentedMapView, Set):
+class CommentedMapItemsView(CommentedMapView, Set):  # type: ignore
     __slots__ = ()
 
     @classmethod
@@ -629,14 +629,14 @@ def __iter__(self):
             yield self._mapping[key]
 
 
-class CommentedMap(MutableMapping, ordereddict, CommentedBase):
+class CommentedMap(ordereddict, CommentedBase):
     __slots__ = (Comment.attrib, '_ok', '_ref')
 
     def __init__(self, *args, **kw):
         # type: (Any, Any) -> None
         self._ok = set()  # type: MutableSet[Any]  #  own keys
         self._ref = []  # type: List[CommentedMap]
-        ordereddict.__init__(self, *args, **kw)  # type: ignore
+        ordereddict.__init__(self, *args, **kw)
 
     def _yaml_add_comment(self, comment, key=NoComment, value=NoComment):
         # type: (Any, Optional[Any], Optional[Any]) -> None
@@ -823,7 +823,7 @@ def _keys(self):
 
     def __len__(self):
         # type: () -> int
-        return ordereddict.__len__(self)  # type: ignore
+        return ordereddict.__len__(self)
 
     def __eq__(self, other):
         # type: (Any) -> bool
@@ -955,7 +955,7 @@ def raise_immutable(cls, *args, **kwargs):
     raise TypeError('{} objects are immutable'.format(cls.__name__))
 
 
-class CommentedKeyMap(CommentedBase, Mapping):
+class CommentedKeyMap(CommentedBase, Mapping):  # type: ignore
     __slots__ = Comment.attrib, '_od'
     """This primarily exists to be able to roundtrip keys that are mappings"""
 
@@ -1052,7 +1052,7 @@ class CommentedOrderedMap(CommentedMap):
     __slots__ = (Comment.attrib,)
 
 
-class CommentedSet(MutableSet, CommentedBase):  # NOQA
+class CommentedSet(MutableSet, CommentedBase): # type: ignore  # NOQA
     __slots__ = Comment.attrib, 'odict'
 
     def __init__(self, values=None):

compat.py

@@ -117,7 +117,8 @@ def to_unicode(s):
 
 if False:  # MYPY
     # StreamType = Union[BinaryIO, IO[str], IO[unicode],  StringIO]
-    StreamType = Union[BinaryIO, IO[str], StringIO]
+    # StreamType = Union[BinaryIO, IO[str], StringIO]  # type: ignore
+    StreamType = Any
 
     StreamTextType = Union[Text, StreamType]
     VersionType = Union[List[int], str, Tuple[int, int]]
@@ -257,7 +258,7 @@ def version_tnf(t1, t2=None):
     return False
 
 
-class MutableSliceableSequence(MutableSequence):
+class MutableSliceableSequence(MutableSequence):  # type: ignore
     __slots__ = ()
 
     def __getitem__(self, index):

constructor.py

@@ -155,11 +155,11 @@ def construct_object(self, node, deep=False):
                 elif None in self.yaml_constructors:
                     constructor = self.yaml_constructors[None]
                 elif isinstance(node, ScalarNode):
-                    constructor = self.__class__.construct_scalar  # type: ignore
+                    constructor = self.__class__.construct_scalar
                 elif isinstance(node, SequenceNode):
-                    constructor = self.__class__.construct_sequence  # type: ignore
+                    constructor = self.__class__.construct_sequence
                 elif isinstance(node, MappingNode):
-                    constructor = self.__class__.construct_mapping  # type: ignore
+                    constructor = self.__class__.construct_mapping
         if tag_suffix is None:
             data = constructor(self, node)
         else:
@@ -1109,7 +1109,7 @@ def construct_yaml_int(self, node):
             if underscore is not None:
                 underscore[1] = value_su[2] == '_'
                 underscore[2] = len(value_su[2:]) > 1 and value_su[-1] == '_'
-            return BinaryInt(  # type: ignore
+            return BinaryInt(
                 sign * int(value_s[2:], 2),
                 width=width,
                 underscore=underscore,
@@ -1141,7 +1141,7 @@ def construct_yaml_int(self, node):
             if underscore is not None:
                 underscore[1] = value_su[2] == '_'
                 underscore[2] = len(value_su[2:]) > 1 and value_su[-1] == '_'
-            return OctalInt(  # type: ignore
+            return OctalInt(
                 sign * int(value_s[2:], 8),
                 width=width,
                 underscore=underscore,
@@ -1163,17 +1163,17 @@ def construct_yaml_int(self, node):
             if underscore is not None:
                 # cannot have a leading underscore
                 underscore[2] = len(value_su) > 1 and value_su[-1] == '_'
-            return ScalarInt(  # type: ignore
+            return ScalarInt(
                 sign * int(value_s), width=len(value_s), underscore=underscore
             )
         elif underscore:
             # cannot have a leading underscore
             underscore[2] = len(value_su) > 1 and value_su[-1] == '_'
-            return ScalarInt(  # type: ignore
+            return ScalarInt(
                 sign * int(value_s), width=None, underscore=underscore, anchor=node.anchor
             )
         elif node.anchor:
-            return ScalarInt(  # type: ignore
+            return ScalarInt(
                 sign * int(value_s), width=None, anchor=node.anchor
             )
         else:
@@ -1233,7 +1233,7 @@ def leading_zeros(v):
             e_width = len(exponent)
             e_sign = exponent[0] in '+-'
             # nprint('sf', width, prec, m_sign, exp, e_width, e_sign)
-            return ScalarFloat(  # type: ignore
+            return ScalarFloat(
                 sign * float(value_s),
                 width=width,
                 prec=prec,
@@ -1247,7 +1247,7 @@ def leading_zeros(v):
         width = len(value_so)
         prec = value_so.index('.')  # you can use index, this would not be float without dot
         lead0 = leading_zeros(value_so)
-        return ScalarFloat(  # type: ignore
+        return ScalarFloat(
             sign * float(value_s),
             width=width,
             prec=prec,

cyaml.py

@@ -136,7 +136,7 @@ def __init__(
             version=version,
             tags=tags,
         )
-        self._emitter = self._serializer = self._representer = self  # type: ignore
+        self._emitter = self._serializer = self._representer = self
         SafeRepresenter.__init__(
             self, default_style=default_style, default_flow_style=default_flow_style
         )

main.py

@@ -462,7 +462,7 @@ def Xdump_all(self, documents, stream, _kw=enforce, transform=None):
         """
         if not hasattr(stream, 'write') and hasattr(stream, 'open'):
             # pathlib.Path() instance
-            with stream.open('w') as fp:  # type: ignore
+            with stream.open('w') as fp:
                 return self.dump_all(documents, fp, _kw, transform=transform)
         if _kw is not enforce:
             raise TypeError(
@@ -501,7 +501,7 @@ def Xdump_all(self, documents, stream, _kw=enforce, transform=None):
             delattr(self, '_serializer')
             delattr(self, '_emitter')
         if transform:
-            val = stream.getvalue()  # type: ignore
+            val = stream.getvalue()
             if self.encoding:
                 val = val.decode(self.encoding)
             if fstream is None:
@@ -723,7 +723,7 @@ def compact(self, seq_seq=None, seq_map=None):
 
 class YAMLContextManager(object):
     def __init__(self, yaml, transform=None):
-        # type: (Any, Optional[Callable]) -> None
+        # type: (Any, Any) -> None  # used to be: (Any, Optional[Callable]) -> None
         self._yaml = yaml
         self._output_inited = False
         self._output_path = None

reader.py

@@ -29,7 +29,7 @@
 
 if False:  # MYPY
     from typing import Any, Dict, Optional, List, Union, Text, Tuple, Optional  # NOQA
-    from ruamel.yaml.compat import StreamTextType  # NOQA
+#    from ruamel.yaml.compat import StreamTextType  # NOQA
 
 __all__ = ['Reader', 'ReaderError']
 
@@ -77,7 +77,7 @@ class Reader(object):
     # Yeah, it's ugly and slow.
 
     def __init__(self, stream, loader=None):
-        # type: (StreamTextType, Any) -> None
+        # type: (Any, Any) -> None
         self.loader = loader
         if self.loader is not None and getattr(self.loader, '_reader', None) is None:
             self.loader._reader = self