streamlit borks sys.path, causes import("litellm") to load our litellm.py; fix

aider/llm.py

@@ -0,0 +1,29 @@
+import importlib
+import os
+import warnings
+
+warnings.filterwarnings("ignore", category=UserWarning, module="pydantic")
+
+os.environ["OR_SITE_URL"] = "http://aider.chat"
+os.environ["OR_APP_NAME"] = "Aider"
+
+# `import litellm` takes 1.5 seconds, defer it!
+
+
+class LazyLiteLLM:
+    def __init__(self):
+        self._lazy_module = None
+
+    def __getattr__(self, name):
+        if self._lazy_module is None:
+            self._lazy_module = importlib.import_module("litellm")
+
+            self._lazy_module.suppress_debug_info = True
+            self._lazy_module.set_verbose = False
+
+        return getattr(self._lazy_module, name)
+
+
+litellm = LazyLiteLLM()
+
+__all__ = [litellm]