Update src/streamlit_app.py

src/streamlit_app.py

@@ -63,7 +63,7 @@ def configure_gemini():
         return False
 
 # Enhanced system prompt with timestamp-based improvements
-SYSTEM_PROMPT = f"""{os.getenv("SYS_PROMPT")}"""
+SYSTEM_PROMPT = f"""{os.getenv("SYS_PROMPT", "")}"""
 logger.info(f"System prompt loaded, length: {len(SYSTEM_PROMPT) if SYSTEM_PROMPT else 0}")
 
 def analyze_video_and_generate_script(
@@ -294,7 +294,7 @@ def display_script_variations(json_data):
 
             st.markdown(f"### Variation {i}: {variation_name}")
 
-            #Convert script table to DataFrame for better display
+            # Convert script table to DataFrame for better display
             script_data = variation.get("script_table")
             if not script_data:
                 warning_msg = f"No script data for {variation_name}"
@@ -339,7 +339,7 @@ def display_video_analysis(json_data):
         analysis = json_data["video_analysis"]
         logger.debug(f"Video analysis type: {type(analysis)}")
 
-        #Display general analysis
+        # Display general analysis
         video_metrics = []
         if isinstance(analysis, dict):
             col1, col2 = st.columns(2)