Fix all E201 and E202 style errors

using the following command:
```
autopep8 -i -r --exclude $(sed -e 's|^|./|' -e 's|/$||' .ci/flake8_blacklist.txt | paste -sd,) --select E201,E202 .
```

test/selenium_tests/framework.py

@@ -335,7 +335,7 @@ class SeleniumSessionDatasetCollectionPopulator(populators.BaseDatasetCollection
         self.dataset_populator = SeleniumSessionDatasetPopulator(selenium_test_case)
 
     def _create_collection(self, payload):
-        create_response = self._post( "dataset_collections", data=payload )
+        create_response = self._post("dataset_collections", data=payload)
         return create_response
 
 
@@ -360,4 +360,4 @@ class SeleniumSessionWorkflowPopulator(populators.BaseWorkflowPopulator, Seleniu
 
     def upload_yaml_workflow(self, has_yaml, **kwds):
         workflow = convert_and_import_workflow(has_yaml, galaxy_interface=self, **kwds)
-        return workflow[ "id" ]
+        return workflow["id"]

test/selenium_tests/test_login.py

@@ -26,7 +26,7 @@ class LoginTestCase(SeleniumTestCase):
 
     @selenium_test
     def test_invalid_passwords(self):
-        bad_passwords = [ '1234', '', '; SELECT * FROM galaxy_user' ]
+        bad_passwords = ['1234', '', '; SELECT * FROM galaxy_user']
         for bad_password in bad_passwords:
             self.home()
             self.submit_login(self._get_random_email(), password=bad_password)

test/selenium_tests/test_registration.py

@@ -58,7 +58,7 @@ class RegistrationTestCase(SeleniumTestCase):
 
     @selenium_test
     def test_bad_emails(self):
-        bad_emails = [ 'bob', 'bob@', 'bob@idontwanttocleanup', 'bob.cantmakeme' ]
+        bad_emails = ['bob', 'bob@', 'bob@idontwanttocleanup', 'bob.cantmakeme']
         good_email = self._get_random_email()
         password = DEFAULT_PASSWORD
         confirm = password