Add fastapi code

venv/lib/python3.11/site-packages/websockets/http.py

@@ -0,0 +1,30 @@
+from __future__ import annotations
+
+import sys
+
+from .imports import lazy_import
+from .version import version as websockets_version
+
+
+# For backwards compatibility:
+
+
+lazy_import(
+    globals(),
+    # Headers and MultipleValuesError used to be defined in this module.
+    aliases={
+        "Headers": ".datastructures",
+        "MultipleValuesError": ".datastructures",
+    },
+    deprecated_aliases={
+        "read_request": ".legacy.http",
+        "read_response": ".legacy.http",
+    },
+)
+
+
+__all__ = ["USER_AGENT"]
+
+
+PYTHON_VERSION = "{}.{}".format(*sys.version_info)
+USER_AGENT = f"Python/{PYTHON_VERSION} websockets/{websockets_version}"