Prevent saving environment roles as empty strings

atst/domain/environments.py

@@ -27,7 +27,7 @@ class Environments(object):
         db.session.commit()
 
     @classmethod
-    def add_member(cls, user, environment, member, role=None):
+    def add_member(cls, environment, member, role):
         environment_user = EnvironmentRole(
             user=member, environment=environment, role=role
         )

atst/domain/projects.py

@@ -14,9 +14,6 @@ class Projects(object):
         project = Project(workspace=workspace, name=name, description=description)
         Environments.create_many(project, environment_names)
 
-        for environment in project.environments:
-            Environments.add_member(user, environment, user)
-
         db.session.add(project)
         db.session.commit()
 

atst/routes/workspaces.py

@@ -249,7 +249,8 @@ def update_member(workspace_id, member_id):
         if re.match("env_", entry):
             env_id = entry[4:]
             env_role = form_dict[entry]
-            ids_and_roles.append({"id": env_id, "role": env_role})
+            if env_role:
+                ids_and_roles.append({"id": env_id, "role": env_role})
 
     form = EditMemberForm(http_request.form)