prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  FastAPI tests in pydantic failing due to flask deprecation
  ### Privileged issue
  
  - [X] I'm @tiangolo or he asked me directly to create an issue here.
  
  ### Issue Content
  
  hope you don't mind me creating an issue, pydantic's 1.10.X tests are failing due to a new issue with running our fastapi tests, see
  
  https://github.com/pydantic/pydantic/actions/runs/4832692304/jobs/8611783607?pr=5628
  
  output from pydantic's tests:
  
  ```
  ==================================== ERRORS ====================================
  ______ ERROR collecting tests/test_tutorial/test_wsgi/test_tutorial001.py ______
  tests/test_tutorial/test_wsgi/test_tutorial001.py:3: in <module>
      from docs_src.wsgi.tutorial001 import app
  docs_src/wsgi/tutorial001.py:3: in <module>
      from flask import Flask, escape, request
  <frozen importlib._bootstrap>:1075: in _handle_fromlist
      ???
  /opt/hostedtoolcache/Python/3.10.11/x64/lib/python3.10/site-packages/flask/__init__.py:71: in __getattr__
      warnings.warn(
  E   DeprecationWarning: 'flask.escape' is deprecated and will be removed in Flask 2.4. Import 'markupsafe.escape' instead.
  =========================== short test summary info ============================
  ERROR tests/test_tutorial/test_wsgi/test_tutorial001.py - DeprecationWarning: 'flask.escape' is deprecated and will be removed in Flask 2.4. Import 'markupsafe.escape' 
  ```
  
  related to https://github.com/pydantic/pydantic/pull/5628
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `docs_src/wsgi/tutorial001.py`
  Content:
  ```
  1 from fastapi import FastAPI
  2 from fastapi.middleware.wsgi import WSGIMiddleware
  3 from flask import Flask, escape, request
  4 
  5 flask_app = Flask(__name__)
  6 
  7 
  8 @flask_app.route("/")
  9 def flask_main():
  10     name = request.args.get("name", "World")
  11     return f"Hello, {escape(name)} from Flask!"
  12 
  13 
  14 app = FastAPI()
  15 
  16 
  17 @app.get("/v2")
  18 def read_main():
  19     return {"message": "Hello World"}
  20 
  21 
  22 app.mount("/v1", WSGIMiddleware(flask_app))
  23
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/docs_src/wsgi/tutorial001.py b/docs_src/wsgi/tutorial001.py
  --- a/docs_src/wsgi/tutorial001.py
  +++ b/docs_src/wsgi/tutorial001.py
  @@ -1,6 +1,7 @@
   from fastapi import FastAPI
   from fastapi.middleware.wsgi import WSGIMiddleware
  -from flask import Flask, escape, request
  +from flask import Flask, request
  +from markupsafe import escape
   
   flask_app = Flask(__name__)
  
verification_info: {"golden_diff": "diff --git a/docs_src/wsgi/tutorial001.py b/docs_src/wsgi/tutorial001.py\n--- a/docs_src/wsgi/tutorial001.py\n+++ b/docs_src/wsgi/tutorial001.py\n@@ -1,6 +1,7 @@\n from fastapi import FastAPI\n from fastapi.middleware.wsgi import WSGIMiddleware\n-from flask import Flask, escape, request\n+from flask import Flask, request\n+from markupsafe import escape\n \n flask_app = Flask(__name__)\n", "issue": "FastAPI tests in pydantic failing due to flask deprecation\n### Privileged issue\n\n- [X] I'm @tiangolo or he asked me directly to create an issue here.\n\n### Issue Content\n\nhope you don't mind me creating an issue, pydantic's 1.10.X tests are failing due to a new issue with running our fastapi tests, see\r\n\r\nhttps://github.com/pydantic/pydantic/actions/runs/4832692304/jobs/8611783607?pr=5628\r\n\r\noutput from pydantic's tests:\r\n\r\n```\r\n==================================== ERRORS ====================================\r\n______ ERROR collecting tests/test_tutorial/test_wsgi/test_tutorial001.py ______\r\ntests/test_tutorial/test_wsgi/test_tutorial001.py:3: in <module>\r\n    from docs_src.wsgi.tutorial001 import app\r\ndocs_src/wsgi/tutorial001.py:3: in <module>\r\n    from flask import Flask, escape, request\r\n<frozen importlib._bootstrap>:1075: in _handle_fromlist\r\n    ???\r\n/opt/hostedtoolcache/Python/3.10.11/x64/lib/python3.10/site-packages/flask/__init__.py:71: in __getattr__\r\n    warnings.warn(\r\nE   DeprecationWarning: 'flask.escape' is deprecated and will be removed in Flask 2.4. Import 'markupsafe.escape' instead.\r\n=========================== short test summary info ============================\r\nERROR tests/test_tutorial/test_wsgi/test_tutorial001.py - DeprecationWarning: 'flask.escape' is deprecated and will be removed in Flask 2.4. Import 'markupsafe.escape' \r\n```\r\n\r\nrelated to https://github.com/pydantic/pydantic/pull/5628\n", "before_files": [{"content": "from fastapi import FastAPI\nfrom fastapi.middleware.wsgi import WSGIMiddleware\nfrom flask import Flask, escape, request\n\nflask_app = Flask(__name__)\n\n\n@flask_app.route(\"/\")\ndef flask_main():\n    name = request.args.get(\"name\", \"World\")\n    return f\"Hello, {escape(name)} from Flask!\"\n\n\napp = FastAPI()\n\n\n@app.get(\"/v2\")\ndef read_main():\n    return {\"message\": \"Hello World\"}\n\n\napp.mount(\"/v1\", WSGIMiddleware(flask_app))\n", "path": "docs_src/wsgi/tutorial001.py"}], "after_files": [{"content": "from fastapi import FastAPI\nfrom fastapi.middleware.wsgi import WSGIMiddleware\nfrom flask import Flask, request\nfrom markupsafe import escape\n\nflask_app = Flask(__name__)\n\n\n@flask_app.route(\"/\")\ndef flask_main():\n    name = request.args.get(\"name\", \"World\")\n    return f\"Hello, {escape(name)} from Flask!\"\n\n\napp = FastAPI()\n\n\n@app.get(\"/v2\")\ndef read_main():\n    return {\"message\": \"Hello World\"}\n\n\napp.mount(\"/v1\", WSGIMiddleware(flask_app))\n", "path": "docs_src/wsgi/tutorial001.py"}]}