fix

app.py

@@ -29,13 +29,14 @@ VEGETABLE_DB = ["broccoli", "celery", "lettuce", "sweet potato", "basil", "aspar
 
 @tool
 def serper_search(query: str) -> str:
-    """Search the web using Serper API with result caching
+    """
+    Search the web using Serper API with result caching.
     
     Args:
-        query: The search query string to look up on the web
+        query: The search query string to look up on the web.
     
     Returns:
-        A formatted string containing search results including knowledge graph and organic results
+        A formatted string containing search results including knowledge graph and organic results.
     """
     try:
         return _cached_serper_search(query)
@@ -71,14 +72,15 @@ def _cached_serper_search(query: str) -> str:
 
 @tool
 def wikipedia_detailed(query: str, section: str = None) -> str:
-    """Fetch detailed Wikipedia content with optional section extraction
+    """
+    Fetch detailed Wikipedia content with optional section extraction.
     
     Args:
-        query: The Wikipedia page title or search term to look up
-        section: Optional specific section name to extract from the page
+        query: The Wikipedia page title or search term to look up.
+        section: Optional specific section name to extract from the page.
     
     Returns:
-        Wikipedia page content, either full summary with sections or specific section content
+        Wikipedia page content, either full summary with sections or specific section content.
     """
     try:
         wiki_wiki = wikipediaapi.Wikipedia('en')
@@ -102,13 +104,14 @@ def wikipedia_detailed(query: str, section: str = None) -> str:
 
 @tool
 def youtube_transcript(video_id: str) -> str:
-    """Get YouTube video transcript by video ID
+    """
+    Get YouTube video transcript by video ID.
     
     Args:
-        video_id: The YouTube video ID (the part after 'v=' in the URL)
+        video_id: The YouTube video ID (the part after 'v=' in the URL).
     
     Returns:
-        The full transcript text of the video as a single string
+        The full transcript text of the video as a single string.
     """
     try:
         transcript = YouTubeTranscriptApi.get_transcript(video_id)
@@ -118,13 +121,14 @@ def youtube_transcript(video_id: str) -> str:
 
 @tool
 def transcribe_audio(audio_url: str) -> str:
-    """Transcribe audio from URL using Whisper speech recognition
+    """
+    Transcribe audio from URL using Whisper speech recognition.
     
     Args:
-        audio_url: URL pointing to an audio file (mp3, wav, etc.)
+        audio_url: URL pointing to an audio file (mp3, wav, etc.).
     
     Returns:
-        The transcribed text content of the audio file
+        The transcribed text content of the audio file.
     """
     try:
         response = requests.get(audio_url, timeout=30)
@@ -139,13 +143,14 @@ def transcribe_audio(audio_url: str) -> str:
 
 @tool
 def analyze_operation_table(table_md: str) -> str:
-    """Parse markdown operation tables and check for commutativity violations
+    """
+    Parse markdown operation tables and check for commutativity violations.
     
     Args:
-        table_md: A markdown-formatted table string defining a mathematical operation
+        table_md: A markdown-formatted table string defining a mathematical operation.
     
     Returns:
-        Comma-separated list of elements that violate commutativity in the operation
+        Comma-separated list of elements that violate commutativity in the operation.
     """
     try:
         # Parse markdown table
@@ -177,13 +182,14 @@ def analyze_operation_table(table_md: str) -> str:
 
 @tool
 def parse_excel(file_url: str) -> str:
-    """Extract and process data from Excel files via URL
+    """
+    Extract and process data from Excel files via URL.
     
     Args:
-        file_url: URL pointing to an Excel file (.xlsx or .xls)
+        file_url: URL pointing to an Excel file (.xlsx or .xls).
     
     Returns:
-        String representation of the Excel data content
+        String representation of the Excel data content.
     """
     try:
         response = requests.get(file_url, timeout=30)
@@ -201,13 +207,14 @@ def parse_excel(file_url: str) -> str:
 
 @tool
 def execute_python(code: str) -> str:
-    """Safely execute Python code in a restricted environment
+    """
+    Safely execute Python code in a restricted environment.
     
     Args:
-        code: Python code string to execute, should define a 'result' variable
+        code: Python code string to execute, should define a 'result' variable.
     
     Returns:
-        The value of the 'result' variable after code execution, or error message
+        The value of the 'result' variable after code execution, or error message.
     """
     try:
         # Create safe environment
@@ -226,13 +233,14 @@ def execute_python(code: str) -> str:
 
 @tool
 def classify_botanical(items: str) -> str:
-    """Classify food items as botanical vegetables from a predefined database
+    """
+    Classify food items as botanical vegetables from a predefined database.
     
     Args:
-        items: Comma-separated string of food items to classify
+        items: Comma-separated string of food items to classify.
     
     Returns:
-        Comma-separated list of items that are classified as botanical vegetables
+        Comma-separated list of items that are classified as botanical vegetables.
     """
     try:
         vegetable_list = []