[CHANGE] name of audio directory from the <<audios>> to <<audio>>, update readme and predict script

Author: ruohoruotsi

README.md

@@ -13,7 +13,7 @@
      python3 predict_example.py path/to/custom/file.mp3
  or to test the model on our custom files, run
 
-     python3 predict_example.py audios/classical_music.mp3
+     python3 predict_example.py audio/classical_music.mp3
 
 ### Audio features extracted
  * [MFCC](https://en.wikipedia.org/wiki/Mel-frequency_cepstrum)

audios/classical_music.mp3 audio/classical_music.mp3audios/classical_music.mp3 renamed to audio/classical_music.mp3

@@ -50,7 +50,7 @@ def get_genre(model, music_path):
 
 
 if __name__ == "__main__":
-    PATH = sys.argv[1] if len(sys.argv) == 2 else "./audios/classical_music.mp3"
+    PATH = sys.argv[1] if len(sys.argv) == 2 else "./audio/classical_music.mp3"
     MODEL = load_model("./weights/model.json", "./weights/model_weights.h5")
     GENRE = get_genre(MODEL, PATH)
     print("Model predict: {}".format(GENRE))