requirements.txt

   1 certifi==2019.11.28
   2 chardet==3.0.4
   3 Click==7.0
   4 Flask==1.1.1
   5 idna==2.8
   6 itsdangerous==1.1.0
   7 Jinja2==2.11.0
   8 MarkupSafe==1.1.1
   9 PyJWT==1.7.1
  10 pytz==2019.3
  11 requests==2.22.0
  12 six==1.14.0
  13 twilio==6.35.3
  14 urllib3==1.25.8
  15 Werkzeug==0.16.1