Update app.py

app.py

@@ -27,7 +27,7 @@ except subprocess.CalledProcessError:
     print("ffmpeg.exe not found in the system PATH.")
 
 try:
-    ffmpeg_location = subprocess.check_output(["ffmpeg","-version"], shell=True, text=True)
+    ffmpeg_location = subprocess.check_output(["whereis","ffmpeg"], shell=True, text=True)
     print(f"Location of ffmpeg.exe: {ffmpeg_location.strip()}")
 except subprocess.CalledProcessError:
     print("ffmpeg.exe not found in the system PATH.")