Update app.py

app.py

@@ -184,56 +184,61 @@ def load_midi(input_midi):
     raw_score = TMIDIX.midi2single_track_ms_score(input_midi.name)
     
     escore_notes = TMIDIX.advanced_score_processor(raw_score, return_enhanced_score_notes=True, apply_sustain=True)
+
+    if escore_notes:
     
-    escore_notes = TMIDIX.augment_enhanced_score_notes(escore_notes[0], sort_drums_last=True)
-    
-    dscore = TMIDIX.delta_score_notes(escore_notes)
-    
-    dcscore = TMIDIX.chordify_score([d[1:] for d in dscore])
-    
-    melody_chords = [18816]
-    
-    #=======================================================
-    # MAIN PROCESSING CYCLE
-    #=======================================================
-    
-    for i, c in enumerate(dcscore):
-    
-        delta_time = c[0][0]
-    
-        melody_chords.append(delta_time)
-    
-        for e in c:
+        escore_notes = TMIDIX.augment_enhanced_score_notes(escore_notes[0], sort_drums_last=True)
+        
+        dscore = TMIDIX.delta_score_notes(escore_notes)
+        
+        dcscore = TMIDIX.chordify_score([d[1:] for d in dscore])
+        
+        melody_chords = [18816]
+        
+        #=======================================================
+        # MAIN PROCESSING CYCLE
+        #=======================================================
+        
+        for i, c in enumerate(dcscore):
+        
+            delta_time = c[0][0]
         
-            #=======================================================
+            melody_chords.append(delta_time)
+        
+            for e in c:
             
-            # Durations
-            dur = max(1, min(255, e[1]))
+                #=======================================================
+                
+                # Durations
+                dur = max(1, min(255, e[1]))
+        
+                # Patches
+                pat = max(0, min(128, e[5]))
+                
+                # Pitches
+                ptc = max(1, min(127, e[3]))
+                
+                # Velocities
+                # Calculating octo-velocity
+                vel = max(8, min(127, e[4]))
+                velocity = round(vel / 15)-1
+                
+                #=======================================================
+                # FINAL NOTE SEQ
+                #=======================================================
+                
+                # Writing final note
+                pat_ptc = (128 * pat) + ptc 
+                dur_vel = (8 * dur) + velocity
+        
+                melody_chords.extend([pat_ptc+256, dur_vel+16768])
     
-            # Patches
-            pat = max(0, min(128, e[5]))
-            
-            # Pitches
-            ptc = max(1, min(127, e[3]))
-            
-            # Velocities
-            # Calculating octo-velocity
-            vel = max(8, min(127, e[4]))
-            velocity = round(vel / 15)-1
-            
-            #=======================================================
-            # FINAL NOTE SEQ
-            #=======================================================
+        melody_chords = remove_duplicate_pitches(melody_chords)
             
-            # Writing final note
-            pat_ptc = (128 * pat) + ptc 
-            dur_vel = (8 * dur) + velocity
-    
-            melody_chords.extend([pat_ptc+256, dur_vel+16768])
+        return melody_chords
 
-    melody_chords = remove_duplicate_pitches(melody_chords)
-        
-    return melody_chords
+    else:
+        return [18816]
 
 def save_midi(tokens):
     """Convert token sequence back to a MIDI score and write it using TMIDIX (without velocity).