fix URL endpoints to retrieve phenotypes and launch analyses

these endpoints should not end with a slash

jass/server.py

@@ -79,7 +79,7 @@ def get_phenotypes():
     return get_available_phenotypes(os.path.join(config["DATA_DIR"], "initTable.hdf5"))
 
 
-@blp_phenotypes.route("/")
+@blp_phenotypes.route("")
 class PhenotypesMethodView(MethodView):
     @blp_phenotypes.response(200, PhenotypeSchema(many=True))
     def get(self):
@@ -87,7 +87,7 @@ class PhenotypesMethodView(MethodView):
         return get_phenotypes()
 
 
-@blp_projects.route("/")
+@blp_projects.route("")
 class ProjectCreateMethodView(MethodView):
     @blp_projects.arguments(ProjectParamsSchema(), location="form")
     @blp_projects.response(200, ProjectSchema())
@@ -102,7 +102,7 @@ class ProjectCreateMethodView(MethodView):
         return create_project([p.id for p in phenotypes], get_phenotypes())
 
 
-@blp_local_projects.route("/")
+@blp_local_projects.route("")
 class LocalProjectCreateMethodView(MethodView):
     @blp_projects.arguments(LocalProjectParamsSchema(), location="form")
     @blp_projects.response(200, ProjectSchema())