We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Add screenshot test for syntax highlighting


--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `e2e/scripts/st_code.py`
Content:
```
1 # Copyright 2018-2020 Streamlit Inc.
2 #
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
6 #
7 #    http://www.apache.org/licenses/LICENSE-2.0
8 #
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
14 
15 import streamlit as st
16 
17 st.code("# This code is awesome!")
18 
19 st.code("")
20
```
--- 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()

```

diff --git a/e2e/scripts/st_code.py b/e2e/scripts/st_code.py
--- a/e2e/scripts/st_code.py
+++ b/e2e/scripts/st_code.py
@@ -17,3 +17,9 @@
 st.code("# This code is awesome!")
 
 st.code("")
+
+code = """
+def hello():
+    print("Hello, Streamlit!")
+"""
+st.code(code, language="python")

{"golden_diff": "diff --git a/e2e/scripts/st_code.py b/e2e/scripts/st_code.py\n--- a/e2e/scripts/st_code.py\n+++ b/e2e/scripts/st_code.py\n@@ -17,3 +17,9 @@\n st.code(\"# This code is awesome!\")\n \n st.code(\"\")\n+\n+code = \"\"\"\n+def hello():\n+    print(\"Hello, Streamlit!\")\n+\"\"\"\n+st.code(code, language=\"python\")\n", "issue": "Add screenshot test for syntax highlighting\n\n", "before_files": [{"content": "# Copyright 2018-2020 Streamlit Inc.\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\");\n# you may not use this file except in compliance with the License.\n# You may obtain a copy of the License at\n#\n#    http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software\n# distributed under the License is distributed on an \"AS IS\" BASIS,\n# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n# See the License for the specific language governing permissions and\n# limitations under the License.\n\nimport streamlit as st\n\nst.code(\"# This code is awesome!\")\n\nst.code(\"\")\n", "path": "e2e/scripts/st_code.py"}], "after_files": [{"content": "# Copyright 2018-2020 Streamlit Inc.\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\");\n# you may not use this file except in compliance with the License.\n# You may obtain a copy of the License at\n#\n#    http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software\n# distributed under the License is distributed on an \"AS IS\" BASIS,\n# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n# See the License for the specific language governing permissions and\n# limitations under the License.\n\nimport streamlit as st\n\nst.code(\"# This code is awesome!\")\n\nst.code(\"\")\n\ncode = \"\"\"\ndef hello():\n    print(\"Hello, Streamlit!\")\n\"\"\"\nst.code(code, language=\"python\")\n", "path": "e2e/scripts/st_code.py"}]}