old_contents: """
  Reference:
  PiCamera documentation
  https://picamera.readthedocs.org/en/release-1.10/recipes2.html
  
  """
  
  import io
  import socket
  import struct
  import time
  import picamera
  
  
  # create socket and bind host
  client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  client_socket.connect(('192.168.1.100', 8000))
  connection = client_socket.makefile('wb')
  
  try:
      with picamera.PiCamera() as camera:
          camera.resolution = (320, 240)      # pi camera resolution
          camera.framerate = 10               # 10 frames/sec
          time.sleep(2)                       # give 2 secs for camera to initilize
          start = time.time()
          stream = io.BytesIO()
          
          # send jpeg format video stream
          for foo in camera.capture_continuous(stream, 'jpeg', use_video_port = True):
              connection.write(struct.pack('<L', stream.tell()))
              connection.flush()
              stream.seek(0)
              connection.write(stream.read())
              if time.time() - start > 600:
                  break
              stream.seek(0)
              stream.truncate()
      connection.write(struct.pack('<L', 0))
  finally:
      connection.close()
      client_socket.close()
  
new_contents: 
  import io
  import socket
  import struct
  import time
  import picamera
  
  
  # create socket and bind host
  client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  client_socket.connect(('192.168.1.100', 8000))
  connection = client_socket.makefile('wb')
  
  try:
      with picamera.PiCamera() as camera:
          camera.resolution = (320, 240)      # pi camera resolution
          camera.framerate = 15               # 15 frames/sec
          time.sleep(2)                       # give 2 secs for camera to initilize
          start = time.time()
          stream = io.BytesIO()
          
          # send jpeg format video stream
          for foo in camera.capture_continuous(stream, 'jpeg', use_video_port = True):
              connection.write(struct.pack('<L', stream.tell()))
              connection.flush()
              stream.seek(0)
              connection.write(stream.read())
              if time.time() - start > 600:
                  break
              stream.seek(0)
              stream.truncate()
      connection.write(struct.pack('<L', 0))
  finally:
      connection.close()
      client_socket.close()
  
subject: Update stream_client.py