Update app.py

app.py

@@ -8,13 +8,13 @@ Original file is located at
 """
 
 # Imports
-$ pip install PyPDF2
+! pip install PyPDF2
 import PyPDF2
 import re
-$ pip install transformers
+! pip install transformers
 import transformers
 from transformers import pipeline
-$ pip install git+https://github.com/suno-ai/bark.git
+! pip install git+https://github.com/suno-ai/bark.git
 from bark import SAMPLE_RATE, generate_audio, preload_models
 from scipy.io.wavfile import write as write_wav
 from IPython.display import Audio