Update app.py

app.py

@@ -377,11 +377,11 @@ def generate_callback_wrapper(input_midi,
     print('Req start time: {:%Y-%m-%d %H:%M:%S}'.format(datetime.datetime.now(PDT)))
     start_time = reqtime.time()
 
-    fn = os.path.basename(input_midi.name)
-    fn1 = fn.split('.')[0]
-
     print('=' * 70)
-    print('Input file name:', fn)
+    if input_midi is not None:
+            fn = os.path.basename(input_midi.name)
+            fn1 = fn.split('.')[0]
+            print('Input file name:', fn)
     print('Num prime tokens:', num_prime_tokens)
     print('Num gen tokens:', num_gen_tokens)
     print('Gen outro:', gen_outro)
@@ -485,7 +485,7 @@ with gr.Blocks() as demo:
         " for faster execution and endless generation"
     )
     
-    gr.Markdown("## Upload your MIDI or select a sample example MIDI")
+    gr.Markdown("## Upload seed MIDI or click 'Generate' button to for random output")
     
     input_midi = gr.File(label="Input MIDI", file_types=[".midi", ".mid", ".kar"])
     clear_btn = gr.ClearButton(input_midi, variant="stop", value="Reset")