Fix syntax bug on stream emptying

Author: Toms42

python/microphone.py

@@ -18,7 +18,7 @@ def start_stream(callback):
         try:
             y = np.fromstring(stream.read(frames_per_buffer, exception_on_overflow=False), dtype=np.int16)
             y = y.astype(np.float32)
-            stream.read(get_read_available(), exception_on_overflow=False)
+            stream.read(stream.get_read_available(), exception_on_overflow=False)
             callback(y)
         except IOError:
             overflows += 1