Update app.py

app.py

@@ -118,6 +118,8 @@ def create_notebook(file, tc, bc):
             # Crop the page
             cropped_page = page.within_bbox(crop_box)
             text = cropped_page.extract_text()
+            if not text:
+                continue()
             # Split the text into lines
             # lines = text.split('\n')
             blocks = classify_page(text)