Update app.py

app.py

@@ -3,6 +3,7 @@ import numpy as np
 import matplotlib.pyplot as plt
 from matplotlib.animation import FuncAnimation, PillowWriter
 import scipy.io.wavfile as wavfile
+import os
 
 # Constants for sound generation
 SAMPLE_RATE = 48000
@@ -11,7 +12,7 @@ COLUMN_DURATION = 1  # Duration of each column in seconds
 # Mapping of matrix numbers to musical notes
 notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"]
 note_map = {2: "A", 3: "A#", 4: "B", 5: "C", 6: "C#", 7: "D", 8: "D#", 9: "E", 
-            10: "F", 11: "F#", 12: "G", 13: "G#"}
+            10: "F", 11: "F#", 12: "G", 13: "G#"]
 
 def generate_tone(note, duration):
     """Generates a tone for a specified note and duration."""
@@ -174,7 +175,7 @@ def create_animation(matrix):
     
     # Save the animation to a GIF file
     gif_path = "matrix_animation.gif"
-    ani.save(gif_path, format='gif', writer=PillowWriter(fps=1))
+    ani.save(gif_path, writer=PillowWriter(fps=1))
     plt.close(fig)
     
     return gif_path