Update gradio_pdf_app.py

gradio_pdf_app.py

@@ -19,11 +19,14 @@ import io
 from utils.utils import *
 from utils.markdown_utils import MarkdownConverter
 
+# Math extension is optional for enhanced math rendering
+MATH_EXTENSION_AVAILABLE = False
 try:
     from mdx_math import MathExtension
     MATH_EXTENSION_AVAILABLE = True
 except ImportError:
-    MATH_EXTENSION_AVAILABLE = False
+    # mdx_math is not available in standard PyPI, gracefully continue without it
+    pass
 
 
 class DOLPHIN: