title: Twilio prints sid but it is no longer sending the messages
body: <p>I use the twilio API to write a simple program to remember my father to take his meds. Here is my code which can be replicated by anyone who has an account in twilio, one phone number and the sheet <code>medications.csv</code>(see bellow):</p>
  
  <pre><code>from twilio.rest import Client
  import pandas as pd 
  from datetime import datetime
  import re
  
  account_sid = 'XXXXXXXXXXXXX' #INSERT YOUR SID HERE
  auth_token = 'XXXXXXXXXXXXX' #INSERT YOUR TOKEN HERE
  client = Client(account_sid, auth_token)
  
  def to_list_integer(dt_time):
      return [dt_time.year,dt_time.month,dt_time.day, dt_time.hour,dt_time.minute]
  
  
  
  df=pd.read_csv('medications.csv')
  
  while True:
      data_lista =  to_list_integer(datetime.now())
      x=datetime(*data_lista)
      hora = x.strftime("%Hh%M")
      for i in range(len(df)):
          if (datetime.now().hour==df['hour'][i]) &amp; (datetime.now().minute==df['minute'][i]) &amp; (datetime.now().second==1):
              text = '''*Lembrete: {0}*\n
  Olá sr. X, agora são {1}, 
  \nestá na hora de tomar {2} comprimido(s) de {0}
  \n\n*recomendação médica: {3}*'''.format(df['name'][i],hora,re.search(r'\d+',df['recomendation'][i]).group(),
                                                  df['recomendation'][i])
              persons=['whatsapp:+XXXXXXXXXXXXX','whatsapp:+XXXXXXXXXXXXX','whatsapp:+XXXXXXXXXXXXX',
              'whatsapp:+XXXXXXXXXXXXX', 'whatsapp:+XXXXXXXXXXXXX']
              for person in persons:
                  message = client.messages.create(
                                              body=text,
                                              from_='whatsapp:+XXXXXXXXXXX',#INSERT YOUR TWILIO NUMBER HERE
                                              to=person
                                          )
              print(message.sid)
  </code></pre>
  
  <p><code>medications.csv</code>:</p>
  
  <pre><code>name,dosage,recomendation,hour,minute
  Selozek,100mg,Tomar 1 comprimido pela manhã,6,9
  Vasopril Plus,20/12.5 mg,Tomar 1 comprimido pela manhã,6,10
  Glifage XR,500mg,Tomar 2 comprimidos após o café e após a última refeição da noite,7,10
  Clopidogrel,75mg,Tomar 1 comprimido após o almoço,13,10
  AAS,100mg,Tomar 1 comprimido após o almoço,13,11
  Enalapril,10mg,Tomar 2 comprimidos à noite,20,10
  Glifage XR,500mg,Tomar 2 comprimidos após o café e após a última refeição da noite,20,11
  Rosuvastatina,20mg,Tomar 1 comprimido após a última refeição da noite,20,12
  </code></pre>
  
  <p>The code was working properly yesterday but today it is no longer working. The program runs without errors and print the sids for each message. However, none of the phones in the list <code>persons</code> are receiving the message. What is wrong here?</p>