Uncaught ModuleNotFoundError in _url.py line 22

Aider version: 0.86.2 Python version: 3.11.9 Platform: Windows-10-10.0.19045-SP0 Python implementation: CPython Virtual environment: No OS: Windows 10 (64bit) Git version: git version 2.54.0.windows.1

An uncaught exception occurred:

Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "__main__.py", line 5, in <module>
    sys.exit(main())
             ^^^^^^
  File "main.py", line 822, in main
    main_model = models.Model(
                 ^^^^^^^^^^^^^
  File "models.py", line 339, in __init__
    res = self.validate_environment()
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "models.py", line 736, in validate_environment
    res = litellm.validate_environment(model)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "llm.py", line 27, in __getattr__
    self._load_litellm()
  File "llm.py", line 37, in _load_litellm
    self._lazy_module = importlib.import_module("litellm")
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1204, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 940, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "__init__.py", line 1100, in <module>
    from .utils import client
  File "utils.py", line 249, in <module>
    from litellm.llms.base_llm.base_utils import (
  File "__init__.py", line 2, in <module>
    from .audio_transcription.transformation import BaseAudioTranscriptionConfig
  File "transformation.py", line 7, in <module>
    from litellm.llms.base_llm.chat.transformation import BaseConfig
  File "transformation.py", line 24, in <module>
    from litellm.llms.custom_httpx.http_handler import AsyncHTTPHandler, HTTPHandler
  File "http_handler.py", line 20, in <module>
    from aiohttp import ClientSession, TCPConnector
  File "__init__.py", line 6, in <module>
    from .client import (
  File "client.py", line 38, in <module>
    from yarl import URL
  File "__init__.py", line 2, in <module>
    from ._url import URL, cache_clear, cache_configure, cache_info
  File "_url.py", line 22, in <module>
    from propcache.api import under_cached_property as cached_property
ModuleNotFoundError: No module named 'propcache.api'