Update app.py

app.py

@@ -1,3 +1,13 @@
+# Patch missing HfFolder before gradio imports it
+import sys
+from unittest.mock import MagicMock
+try:
+    from huggingface_hub import HfFolder
+except ImportError:
+    import huggingface_hub
+    huggingface_hub.HfFolder = MagicMock()
+    sys.modules["huggingface_hub"].HfFolder = MagicMock()
+
 import gradio as gr
 import assemblyai as aai
 import librosa
@@ -145,12 +155,10 @@ def export_file(format_type, state):
         path = f"/tmp/conversation_{timestamp}.txt"
         with open(path, "w", encoding="utf-8") as f:
             f.write(conversation)
-
     elif format_type == "JSON":
         path = f"/tmp/conversation_{timestamp}.json"
         with open(path, "w", encoding="utf-8") as f:
             json.dump(segments, f, indent=4)
-
     elif format_type == "CSV":
         path = f"/tmp/conversation_{timestamp}.csv"
         with open(path, "w", newline="", encoding="utf-8") as f:
@@ -159,21 +167,18 @@ def export_file(format_type, state):
             )
             writer.writeheader()
             writer.writerows(segments)
-
     elif format_type == "WORD":
         path = f"/tmp/conversation_{timestamp}.docx"
         doc = Document()
         doc.add_heading("Conversation Transcript", 0)
         doc.add_paragraph(conversation)
         doc.save(path)
-
     elif format_type == "PDF":
         path = f"/tmp/conversation_{timestamp}.pdf"
         doc = SimpleDocTemplate(path)
         styles = getSampleStyleSheet()
         content = [Paragraph(conversation.replace("\n", "<br/>"), styles["Normal"])]
         doc.build(content)
-
     else:
         return None