replace OrderedDict with Dict

Author: harupy

src/pip/_internal/commands/__init__.py

@@ -4,7 +4,7 @@
 
 import importlib
 from collections import OrderedDict, namedtuple
-from typing import Any, Optional
+from typing import Any, Dict, Optional
 
 from pip._internal.cli.base_command import Command
 
@@ -18,7 +18,7 @@
 # in a test-related module).
 #    Finally, we need to pass an iterable of pairs here rather than a dict
 # so that the ordering won't be lost when using Python 2.7.
-commands_dict: "OrderedDict[str, CommandInfo]" = OrderedDict([
+commands_dict: Dict[str, CommandInfo] = OrderedDict([
     ('install', CommandInfo(
         'pip._internal.commands.install', 'InstallCommand',
         'Install packages.',

src/pip/_internal/commands/search.py

@@ -88,7 +88,7 @@ def transform_hits(hits: List[Dict[str, str]]) -> List["TransformedHit"]:
     packages with the list of versions stored inline. This converts the
     list from pypi into one we can use.
     """
-    packages: "OrderedDict[str, TransformedHit]" = OrderedDict()
+    packages: Dict[str, "TransformedHit"] = OrderedDict()
     for hit in hits:
         name = hit['name']
         summary = hit['summary']