Hi,
PFA patch to fix the PEP-8 issues in Resource group, Roles & Tablespaces
pycodestyle --config=.pycodestyle pgadmin/browser/server_groups/servers/tablespaces/
pycodestyle --config=.pycodestyle pgadmin/browser/server_groups/servers/roles/
pycodestyle --config=.pycodestyle pgadmin/browser/server_groups/servers/resource_groups/