init

.venv/lib/python3.8/site-packages/mypy/backports.py

@@ -0,0 +1,18 @@
+import sys
+from contextlib import contextmanager
+from typing import Iterator
+
+if sys.version_info < (3, 6):
+    from collections import OrderedDict as OrderedDict  # noqa: F401
+else:
+    # OrderedDict is kind of slow, so for most of our uses in Python 3.6
+    # and later we'd rather just use dict
+    OrderedDict = dict
+
+
+if sys.version_info < (3, 7):
+    @contextmanager
+    def nullcontext() -> Iterator[None]:
+        yield
+else:
+    from contextlib import nullcontext as nullcontext  # noqa: F401