Merging PR_218 openai_rev package with new streamlit chat app

venv/lib/python3.9/site-packages/streamlit/hello/utils.py

@@ -0,0 +1,28 @@
+# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import inspect
+import textwrap
+
+import streamlit as st
+
+
+def show_code(demo):
+    """Showing the code of the demo."""
+    show_code = st.sidebar.checkbox("Show code", True)
+    if show_code:
+        # Showing the code of the demo.
+        st.markdown("## Code")
+        sourcelines, _ = inspect.getsourcelines(demo)
+        st.code(textwrap.dedent("".join(sourcelines[1:])))