AttributeError: module 'botocore.vendored.requests' has no attribute 'get'
**Describe the bug**
vendored version of requests removed from Botocore. Please find below the post from AWS

https://aws.amazon.com/blogs/developer/removing-the-vendored-version-of-requests-from-botocore/

But it's not handled in task cat version taskcat-0.8.47 which is latest

Please find below the error while generating taskcat report.

Traceback (most recent call last): 
  File "/usr/local/bin/taskcat", line 101, in <module> 
    main() 
  File "/usr/local/bin/taskcat", line 90, in main 
    tcat_instance.createreport(testdata, 'index.html') 
  File "/usr/local/lib/python3.6/site-packages/taskcat/stacker.py", line 1495, in createreport 
    cfn_report.generate_report() 
  File "/usr/local/lib/python3.6/site-packages/taskcat/generate_reports.py", line 70, in generate_report 
    output_css = requests.get(css_url).text 
AttributeError: module 'botocore.vendored.requests' has no attribute 'get'

**Version 
 - Taskcat version - taskcat-0.8.47
diff --git a/taskcat/generate_reports.py b/taskcat/generate_reports.py
index 2f042ce..e5685d2 100644
--- a/taskcat/generate_reports.py
+++ b/taskcat/generate_reports.py
@@ -1,7 +1,7 @@
 import time
 import yattag
 
-from botocore.vendored import requests
+import requests
 from taskcat.colored_console import PrintMsg
 from taskcat.common_utils import CommonTools
 from taskcat.exceptions import TaskCatException
diff --git a/taskcat/stacker.py b/taskcat/stacker.py
index 33fc4ed..b49fc78 100644
--- a/taskcat/stacker.py
+++ b/taskcat/stacker.py
@@ -35,7 +35,7 @@ import logging
 import cfnlint.core
 import textwrap
 from argparse import RawTextHelpFormatter
-from botocore.vendored import requests
+import requests
 
 from pkg_resources import get_distribution
 
['taskcat/generate_reports.py', 'taskcat/stacker.py']