Update app.py

app.py

@@ -1,4 +1,4 @@
-# INSTRUCTIONS for Chat Bot on line 47, Repository name on line 24
+# INSTRUCTIONS for Chat Bot on line 52, Repository name on line 30
 
 # Imports
 import gradio as gr
@@ -13,7 +13,13 @@ openai_key = os.getenv("OPENAI_KEY")
 if not openai_key:
     raise ValueError("OPENAI_KEY not set")
 
+# Scrub hidden spaces from the OpenAI key
+openai_key = openai_key.replace('\xa0', '').strip()
+
 github_key = os.getenv("GITHUB_KEY")
+# Scrub hidden spaces from the GitHub key if it exists
+if github_key:
+    github_key = github_key.replace('\xa0', '').strip()
 
 client = OpenAI(api_key=openai_key)