Changes in piano roll

utils.py

@@ -158,12 +158,7 @@ def dataframe_to_pianoroll_img(df):
     ax = fig.add_subplot(111)
     ax.scatter(df.start_time, df.pitch, c="white")
     for _, row in df.iterrows():
-        ax.add_patch(Rectangle(
-            (row["start_time"], row["pitch"]-0.4), 
-            row["duration"], 0.4, color="black"
-        ))
-    ax.set_xlim(0, 25)
-    ax.set_ylim(30, 100)
+        ax.add_patch(Rectangle((row["start_time"], row["pitch"]-0.4), row["duration"], 0.4, color="black"))
     plt.xlabel('Seconds', fontsize=18)
     plt.ylabel('MIDI pitch', fontsize=16)
     return fig