Update tools.py

tools.py

@@ -5,6 +5,12 @@ from langchain_core.messages import AnyMessage, HumanMessage, AIMessage
 def extract_text(img_path: str) -> str:
     """
     Extract text from an image file using a multimodal model.
+
+    Args:
+        img_path: A url pointing to an image (e.g., PNG, JPEG).
+
+    Returns:
+        A single string containing the concatenated text extracted from each image.    
     """
     all_text = ""
     try:
@@ -51,16 +57,15 @@ def extract_text(img_path: str) -> str:
 def describe_image(img_path: str, query: str) -> str:
     """
     Generate a detailed description of an image using a multimodal model.
-
-    This function reads a local image file, encodes it, and sends it to a 
+    This function reads a image from an url, encodes it, and sends it to a 
     vision-capable language model to obtain a comprehensive, natural language 
     description of the image's content, including its objects, actions, and context,
     following a specific query.
-
+    
     Args:
-        img_path: A string path to a local image file (e.g., PNG, JPEG).
+        img_path: A url pointing to an image (e.g., PNG, JPEG).
         query: Information to extract from the image
-
+        
     Returns:
         A single string containing a detailed, human-readable description of the image.
     """