Try running that random shell script.

.ipynb_checkpoints/app-checkpoint.py

@@ -28,9 +28,11 @@ for path in paths:
     print(os.listdir(path))
     print('-'*10)
 
+subprocess.run(['/home/user/.local/bin/install_fluidsynth_with_soundfonts_osx.sh'], shell=True)
+
 # subprocess.run(['PATH=$PATH:~/opt/bin'])
 # subprocess.run(['PATH=$PATH:~/opt/bin/fluidsynth'])
-# subprocess.run(['fluidsynth'], shell=True)
+subprocess.run(['fluidsynth'], shell=True)
  
 def process_midi(midi_file):
     name = Path(midi_file.name)

app.py

@@ -28,9 +28,11 @@ for path in paths:
     print(os.listdir(path))
     print('-'*10)
 
+subprocess.run(['/home/user/.local/bin/install_fluidsynth_with_soundfonts_osx.sh'], shell=True)
+
 # subprocess.run(['PATH=$PATH:~/opt/bin'])
 # subprocess.run(['PATH=$PATH:~/opt/bin/fluidsynth'])
-# subprocess.run(['fluidsynth'], shell=True)
+subprocess.run(['fluidsynth'], shell=True)
  
 def process_midi(midi_file):
     name = Path(midi_file.name)