fix: pylama lint issues fixed

[khushhalm]

Open lint issues:

• Access/models.py:191:33 E0602 undefined name 'currentUser' [pyflakes]
• Access/accessrequest_helper.py:6:1 W0611 'Access.models.MembershipV2' imported but unused [pyflakes]
• Access/accessrequest_helper.py:21:21 E722 do not use bare 'except' [pycodestyle]
• Access/group_helper.py:1:1 W0611 'Access.models.Role' imported but unused [pyflakes]
• Access/helpers.py:6:12 E401 multiple imports on one line [pycodestyle]
• Access/helpers.py:6:1 W0611 'time' imported but unused [pyflakes]
• Access/helpers.py:8:1 W0401 'from Access.access_modules import *' used; unable to detect undefined names [pyflakes]
• Access/helpers.py:8:1 W0611 'Access.access_modules.*' imported but unused [pyflakes]
• Access/helpers.py:9:1 W0611 'BrowserStackAutomation.settings.PERMISSION_CONSTANTS' imported but unused [pyflakes]
• Access/views.py:18:1 W0404 redefinition of unused 'render' from line 2 [pyflakes]
• Access/tests/test_accessrequest_helper.py:4:1 W0611 'json' imported but unused [pyflakes]
• Access/tests/test_accessrequest_helper.py:168:101 E501 line too long (199 > 100 characters) [pycodestyle]
• Access/tests/test_accessrequest_helper.py:269:101 E501 line too long (184 > 100 characters) [pycodestyle]
• Access/tests/test_accessrequest_helper.py:272:1 C901 'test_PendingRevokeRequests' is too complex (11) [mccabe]
• Access/tests/test_access_helpers.py:2:1 W0611 'functools.partial' imported but unused [pyflakes]
• Access/tests/test_access_views_helper.py:1:101 E501 line too long (112 > 100 characters) [pycodestyle]
• Access/access_modules/base_email_access/access.py:1:1 W0611 'django.shortcuts.redirect' imported but unused [pyflakes]
• Access/access_modules/base_email_access/access.py:2:1 W0611 'json' imported but unused [pyflakes]
• Access/access_modules/base_email_access/access.py:15:1 E302 expected 2 blank lines, found 1 [pycodestyle]
• Access/access_modules/base_email_access/access.py:27:16 E0602 undefined name 'ACCESS_REVOKE_PERMISSIONS_MAPPING' [pyflakes]
• Access/access_modules/base_email_access/access.py:29:101 E501 line too long (101 > 100 characters) [pycodestyle]
• Access/access_modules/base_email_access/access.py:153:9 W0612 local variable 'e' is assigned to but never used [pyflakes]
• Access/access_modules/base_email_access/init.py:1:1 W0611 '.access' imported but unused [pyflakes]
• scripts/clone_access_modules.py:7:1 C901 'TryExcept 7' is too complex (11) [mccabe]
• scripts/clone_access_modules.py:19:101 E501 line too long (137 > 100 characters) [pycodestyle]
• scripts/clone_access_modules.py:31:101 E501 line too long (133 > 100 characters) [pycodestyle]
• scripts/clone_access_modules.py:32:101 E501 line too long (116 > 100 characters) [pycodestyle]
• bootprocess/views_helper.py:82:5 W0612 local variable 'dataList' is assigned to but never used [pyflakes]
• bootprocess/admin.py:3:1 W0611 'Access.models.User' imported but unused [pyflakes]
• bootprocess/tests/test_views_helper.py:31:1 C901 'test_getDashboardData' is too complex (29) [mccabe]