update requirements

app.py

@@ -1,18 +1,38 @@
 import gradio as gr
-from PIL import Image
 import os
-from typing import List
 from pdfitdown.pdfconversion import Converter
-from pdf2image import convert_from_path
 
 converter = Converter(reader="docling")
 
 def convert_readme_to_pdf(markdown_file) -> str:
+    """
+    Converts a markdown file to PDF format.
+
+    Args:
+        markdown_file: A file object representing the markdown file to be converted.
+                      Expected to have a 'name' attribute containing the file path.
+
+    Returns:
+        str: Path to the generated PDF file. The output filename is created by 
+             replacing the '.md' extension of the input file with '.pdf'.
+    """
     output_path = markdown_file.name.replace('.md', '.pdf')
     converter.convert(markdown_file.name, output_path)
     return output_path
 
 def convert_image_to_pdf(image_file) -> str:
+    """
+    Convert an image file to PDF format.
+
+    Args:
+        image_file: A file object containing the image to be converted.
+                    The file must be in a format supported by the converter
+                    (e.g., PNG, JPG, JPEG).
+
+    Returns:
+        str: The file path of the generated PDF file. The output filename will be
+             the same as the input filename but with a .pdf extension.
+    """
     output_path = image_file.name.replace(os.path.splitext(image_file.name)[1], '.pdf')
     converter.convert(image_file.name, output_path)
     return output_path

requirements.txt

@@ -1,7 +1,7 @@
 typing
 beautifulsoup4
 pdf2image
-gradio
+gradio[mcp]
 pdfplumber
 python-docx
 gradio