Remove redundant parentheses

testing/conftest.py

@@ -34,7 +34,7 @@ def pytest_addoption(parser):
     parser.addoption('--gx',
                      action="append",
                      dest="gspecs",
-                     help=("add a global test environment, XSpec-syntax. "))
+                     help="add a global test environment, XSpec-syntax. ")
 
 
 @pytest.fixture

testing/test_dsession.py

@@ -126,7 +126,7 @@ class TestLoadScheduling:
         sched.add_node(MockNode())
         sched.add_node(MockNode())
         node1, node2 = sched.nodes
-        col = ["xyz"] * (6)
+        col = ["xyz"] * 6
         sched.add_node_collection(node1, col)
         sched.add_node_collection(node2, col)
         sched.schedule()