captcha mechanism bug - No module named 'svglib'

[axd123]

Encountered the "No module named 'svglib'" error.

`=================================== Note ===================================

Info from perhaps a previous run already exists in vaccine-booking-details.json in this directory.
IMPORTANT: If this is your first time running this version of the application, DO NOT USE THE FILE!
Would you like to see the details and confirm to proceed? (y/n Default y): y

================================= Info =================================

    beneficiary_dtls:

+-------+----------------+-------------+-----------+-------+----------------+
| idx | bref_id | name | vaccine | age | status |
+=======+================+=============+===========+=======+================+
| 1 | 98659092XXXXX | Wayne | | 28 | Not Vaccinated |
+-------+----------------+-------------+-----------+-------+----------------+
location_dtls:
+-------+-----------+--------------+
| idx | pincode | alert_freq |
+=======+===========+==============+
| 1 | 400059 | 440 |
+-------+-----------+--------------+
| 2 | 400058 | 660 |
+-------+-----------+--------------+
| 3 | 400056 | 880 |
+-------+-----------+--------------+
| 4 | 400051 | 1100 |
+-------+-----------+--------------+
| 5 | 400008 | 1320 |
+-------+-----------+--------------+
search_option : 1
minimum_slots : 1
refresh_freq : 5
auto_book : no
start_date : 2
vaccine_type : None
fee_type : ['Free', 'Paid']

Proceed with above info? (y/n Default n): y

Centers available in 400059 from 08-05-2021 as of 2021-05-07 19:32:53: 2
Centers available in 400058 from 08-05-2021 as of 2021-05-07 19:32:53: 2
Centers available in 400056 from 08-05-2021 as of 2021-05-07 19:32:53: 2
Centers available in 400051 from 08-05-2021 as of 2021-05-07 19:32:53: 2
Centers available in 400008 from 08-05-2021 as of 2021-05-07 19:32:53: 6
+-------+--------------------------------+------------+-----------+-------------+------------+------------------------------------------------------------------------------+
| idx | name | district | pincode | available | date | slots |
+=======+================================+============+===========+=============+============+==============================================================================+
| 1 | Nair Hospital 2 (Age 18 To 44) | Mumbai | 400008 | 435 | 08-05-2021 | ['09:00AM-11:00AM', '11:00AM-01:00PM', '01:00PM-03:00PM', '03:00PM-05:00PM'] |
+-------+--------------------------------+------------+-----------+-------------+------------+------------------------------------------------------------------------------+
| 2 | BKC COVID Facility4 (18-44 Yr) | Mumbai | 400051 | 496 | 08-05-2021 | ['09:00AM-11:00AM', '11:00AM-01:00PM', '01:00PM-03:00PM', '03:00PM-05:00PM'] |
+-------+--------------------------------+------------+-----------+-------------+------------+------------------------------------------------------------------------------+
----------> Wait 20 seconds for updated options OR
----------> Enter a choice e.g: 1.4 for (1st center 4th slot): 1.1
============> Got Choice: Center #1, Slot #1
Booking with info: {'beneficiaries': ['98659092925740'], 'dose': 1, 'center_id': 561567, 'session_id': 'c0d3343b-5825-4753-b94d-2d4426ea87ac', 'slot': '09:00AM-11:00AM'}
================================= GETTING CAPTCHA ==================================================
Booking Response Code: 200
No module named 'svglib'

Centers available in 400059 from 08-05-2021 as of 2021-05-07 19:33:01: 3
Centers available in 400058 from 08-05-2021 as of 2021-05-07 19:33:01: 2
Centers available in 400056 from 08-05-2021 as of 2021-05-07 19:33:01: 2
Centers available in 400051 from 08-05-2021 as of 2021-05-07 19:33:01: 2
Centers available in 400008 from 08-05-2021 as of 2021-05-07 19:33:01: 6
+-------+--------------------------------+------------+-----------+-------------+------------+------------------------------------------------------------------------------+
| idx | name | district | pincode | available | date | slots |
+=======+================================+============+===========+=============+============+==============================================================================+
| 1 | Nair Hospital 2 (Age 18 To 44) | Mumbai | 400008 | 435 | 08-05-2021 | ['09:00AM-11:00AM', '11:00AM-01:00PM', '01:00PM-03:00PM', '03:00PM-05:00PM'] |
+-------+--------------------------------+------------+-----------+-------------+------------+------------------------------------------------------------------------------+
| 2 | BKC COVID Facility4 (18-44 Yr) | Mumbai | 400051 | 496 | 08-05-2021 | ['09:00AM-11:00AM', '11:00AM-01:00PM', '01:00PM-03:00PM', '03:00PM-05:00PM'] |
+-------+--------------------------------+------------+-----------+-------------+------------+------------------------------------------------------------------------------+
| 3 | SEVEN HIILS 2 Age (18-44) | Mumbai | 400059 | 440 | 08-05-2021 | ['09:00AM-11:00AM', '11:00AM-01:00PM', '01:00PM-03:00PM', '03:00PM-05:00PM'] |
+-------+--------------------------------+------------+-----------+-------------+------------+------------------------------------------------------------------------------+
----------> Wait 20 seconds for updated options OR
----------> Enter a choice e.g: 1.4 for (1st center 4th slot): 2.1
============> Got Choice: Center #2, Slot #1
Booking with info: {'beneficiaries': ['98659092925740'], 'dose': 1, 'center_id': 561660, 'session_id': 'ef05c216-933d-489a-b10a-5a1f462bb9fa', 'slot': '09:00AM-11:00AM'}
================================= GETTING CAPTCHA ==================================================
Booking Response Code: 200
No module named 'svglib'
===================================================================================`

[pallupz]

Use Python 3.7 and install the dependencies in requirements.txt