new_contents: from __future__ import print_function
  import os
  import datetime
  import grpc
  import platoai
  from tqdm import tqdm
  
  metadata = {
      'id':
          'callId',
      'timestamp':
          datetime.datetime.now(),
      'callCenter': {
          'id': 'callCenterId'
      },
      'agents': [{
          'id': 'agentId',
          'name': 'Agent Name',
          'phoneNumber': 1234567890
      }],
      'customers': [{
          'id': 'customerId',
          'name': 'Customer Name',
          'phoneNumber': 9876543210
      }],
      'direction':
          'OUTGOING'
  }
  
  file_name = 'test.wav'
  with open(file_name, 'rb') as f:
      with tqdm(total=os.path.getsize(file_name)) as pbar:
          print(platoai.push(
              f,
              metadata,
              # channel=grpc.insecure_channel('0.0.0.0:9001'),
              callbacks=[pbar.update]))
  
subject: Create simple test.py