prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Fix vega-embed version for Altair 1
  For example in https://github.com/altair-viz/altair/blob/d4d29ca06e920f71073766c6456d387e682cee17/altair/vegalite/v1/html.py#L7
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `altair/vegalite/v1/html.py`
  Content:
  ```
  1 HTML_TEMPLATE = """
  2 <!DOCTYPE html>
  3 <html>
  4 <head>
  5   <script src="https://cdn.jsdelivr.net/npm/vega@2"></script>
  6   <script src="https://cdn.jsdelivr.net/npm/vega-lite@1"></script>
  7   <script src="https://cdn.jsdelivr.net/npm/vega-embed@3"></script>
  8 </head>
  9 <body>
  10   <div id="vis"></div>
  11   <script type="text/javascript">
  12     var spec = {spec};
  13     var opt = {opt};
  14     vegaEmbed("#vis", spec, opt);
  15   </script>
  16 </body>
  17 </html>
  18 """
  19
  ```
  --- 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/altair/vegalite/v1/html.py b/altair/vegalite/v1/html.py
  --- a/altair/vegalite/v1/html.py
  +++ b/altair/vegalite/v1/html.py
  @@ -4,7 +4,7 @@
   <head>
     <script src="https://cdn.jsdelivr.net/npm/vega@2"></script>
     <script src="https://cdn.jsdelivr.net/npm/vega-lite@1"></script>
  -  <script src="https://cdn.jsdelivr.net/npm/vega-embed@3"></script>
  +  <script src="https://cdn.jsdelivr.net/npm/vega-embed@2"></script>
   </head>
   <body>
     <div id="vis"></div>
  
verification_info: {"golden_diff": "diff --git a/altair/vegalite/v1/html.py b/altair/vegalite/v1/html.py\n--- a/altair/vegalite/v1/html.py\n+++ b/altair/vegalite/v1/html.py\n@@ -4,7 +4,7 @@\n <head>\n   <script src=\"https://cdn.jsdelivr.net/npm/vega@2\"></script>\n   <script src=\"https://cdn.jsdelivr.net/npm/vega-lite@1\"></script>\n-  <script src=\"https://cdn.jsdelivr.net/npm/vega-embed@3\"></script>\n+  <script src=\"https://cdn.jsdelivr.net/npm/vega-embed@2\"></script>\n </head>\n <body>\n   <div id=\"vis\"></div>\n", "issue": "Fix vega-embed version for Altair 1\nFor example in https://github.com/altair-viz/altair/blob/d4d29ca06e920f71073766c6456d387e682cee17/altair/vegalite/v1/html.py#L7\n", "before_files": [{"content": "HTML_TEMPLATE = \"\"\"\n<!DOCTYPE html>\n<html>\n<head>\n  <script src=\"https://cdn.jsdelivr.net/npm/vega@2\"></script>\n  <script src=\"https://cdn.jsdelivr.net/npm/vega-lite@1\"></script>\n  <script src=\"https://cdn.jsdelivr.net/npm/vega-embed@3\"></script>\n</head>\n<body>\n  <div id=\"vis\"></div>\n  <script type=\"text/javascript\">\n    var spec = {spec};\n    var opt = {opt};\n    vegaEmbed(\"#vis\", spec, opt);\n  </script>\n</body>\n</html>\n\"\"\"\n", "path": "altair/vegalite/v1/html.py"}], "after_files": [{"content": "HTML_TEMPLATE = \"\"\"\n<!DOCTYPE html>\n<html>\n<head>\n  <script src=\"https://cdn.jsdelivr.net/npm/vega@2\"></script>\n  <script src=\"https://cdn.jsdelivr.net/npm/vega-lite@1\"></script>\n  <script src=\"https://cdn.jsdelivr.net/npm/vega-embed@2\"></script>\n</head>\n<body>\n  <div id=\"vis\"></div>\n  <script type=\"text/javascript\">\n    var spec = {spec};\n    var opt = {opt};\n    vegaEmbed(\"#vis\", spec, opt);\n  </script>\n</body>\n</html>\n\"\"\"\n", "path": "altair/vegalite/v1/html.py"}]}