please help to solve python error..i tried lots : File "/usr/local/lib/python3.7/dist-packages/speech_recognition/__init__.py", line 108, in get_pyaudio
    import pyaudio
ModuleNotFoundError: No module named 'pyaudio'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "speechrecog.py", line 5, in <module>
    with sr.Microphone() as source:
  File "/usr/local/lib/python3.7/dist-packages/speech_recognition/__init__.py", line 79, in __init__
    self.pyaudio_module = self.get_pyaudio()
  File "/usr/local/lib/python3.7/dist-packages/speech_recognition/__init__.py", line 110, in get_pyaudio
    raise AttributeError("Could not find PyAudio; check installation")
AttributeError: Could not find PyAudio; check installation