fix white spaces in app.py

app.py

@@ -1,5 +1,5 @@
 import speech_recognition as sr
-import os 
+import os
 from pydub import AudioSegment
 from pydub.silence import split_on_silence
 
@@ -21,13 +21,13 @@ def large_audio(path, minutes=5):
     """Splitting the large audio file into fixed interval chunks
     and apply speech recognition on each of these chunks"""
     print("Loading file")
-    sound = AudioSegment.from_file(path)  
+    sound = AudioSegment.from_file(path)
     print(len(sound))
     print("Splitting file")
     chunk_length_ms = int(1000 * 60 * minutes) # convert to milliseconds
     chunks = [sound[i:i + chunk_length_ms] for i in range(0, len(sound), chunk_length_ms)]
     folder_name = "audio-fixed-chunks"
-    
+
     if not os.path.isdir(folder_name):
         os.mkdir(folder_name)
     whole_text = ""