fixup! Fix: include sub-actions in tab completion

src/pip/_internal/cli/base_command.py

@@ -7,7 +7,7 @@
 import sys
 import traceback
 from optparse import Values
-from typing import Callable, List, Optional, Tuple
+from typing import Callable, Dict, List, Optional, Tuple
 
 from pip._vendor.rich import reconfigure
 from pip._vendor.rich import traceback as rich_traceback
@@ -230,7 +230,7 @@ def _main(self, args: List[str]) -> int:
 
         return self._run_wrapper(level_number, options, args)
 
-    def handler_map(self) -> dict[str, Callable[[Values, list[str]], None]]:
+    def handler_map(self) -> Dict[str, Callable[[Values, List[str]], None]]:
         """
         map of names to handler actions for commands with sub-actions
         """

src/pip/_internal/commands/cache.py

@@ -1,7 +1,7 @@
 import os
 import textwrap
 from optparse import Values
-from typing import Callable, List
+from typing import Callable, Dict, List
 
 from pip._internal.cli.base_command import Command
 from pip._internal.cli.status_codes import ERROR, SUCCESS
@@ -49,7 +49,7 @@ def add_options(self) -> None:
 
         self.parser.insert_option_group(0, self.cmd_opts)
 
-    def handler_map(self) -> dict[str, Callable[[Values, list[str]], None]]:
+    def handler_map(self) -> Dict[str, Callable[[Values, List[str]], None]]:
         return {
             "dir": self.get_cache_dir,
             "info": self.get_cache_info,

src/pip/_internal/commands/configuration.py

@@ -2,7 +2,7 @@
 import os
 import subprocess
 from optparse import Values
-from typing import Any, Callable, List, Optional
+from typing import Any, Callable, Dict, List, Optional
 
 from pip._internal.cli.base_command import Command
 from pip._internal.cli.status_codes import ERROR, SUCCESS
@@ -93,7 +93,7 @@ def add_options(self) -> None:
 
         self.parser.insert_option_group(0, self.cmd_opts)
 
-    def handler_map(self) -> dict[str, Callable[[Values, list[str]], None]]:
+    def handler_map(self) -> Dict[str, Callable[[Values, List[str]], None]]:
         return {
             "list": self.list_values,
             "edit": self.open_in_editor,

src/pip/_internal/commands/index.py

@@ -1,6 +1,6 @@
 import logging
 from optparse import Values
-from typing import Any, Callable, Iterable, List, Optional
+from typing import Any, Callable, Dict, Iterable, List, Optional
 
 from pip._vendor.packaging.version import Version
 
@@ -45,7 +45,7 @@ def add_options(self) -> None:
         self.parser.insert_option_group(0, index_opts)
         self.parser.insert_option_group(0, self.cmd_opts)
 
-    def handler_map(self) -> dict[str, Callable[[Values, list[str]], None]]:
+    def handler_map(self) -> Dict[str, Callable[[Values, List[str]], None]]:
         return {
             "versions": self.get_available_package_versions,
         }