Working on bug in leaving

sound.py

@@ -13,31 +13,27 @@ sd.default.samplerate = 48000
 class PCMStream:
     globals()
 
-    def __init__(self):
-        self.stream = None
+    def __init__(self, _device_id):
+        self.stream = sd.RawInputStream(device=_device_id)
 
-    def read(self, num_bytes):
-        # frame is 4 bytes
-        frames = int(num_bytes / 4)
-        data = self.stream.read(frames)[0]
-
-        # convert to pcm format
-        return bytes(data)
-
-    def change_device(self, device_ID):
+    def change_device(self, _device_id):
         self.clean_up()
 
-        self.stream = sd.RawInputStream(device=device_ID)
-
-        self.stream.start()
+        self.stream = sd.RawInputStream(device=_device_id)
 
     def clean_up(self):
-        if self.stream is not None:
-            self.stream.stop()
-            time.sleep(.1)
-            self.stream.close()
+        if not self.stream.closed:
+            self.stream.stop(ignore_errors=True)
+            self.stream.close(ignore_errors=True)
 
+    def read(self, num_bytes):
+        if self.stream.active:
+            # frame is 4 bytes
+            frames = int(num_bytes / 4)
+            data = self.stream.read(frames)[0]
 
+            # convert to pcm format
+            return bytes(data)
 
 
 class DeviceNotFoundError(Exception):