diff --git a/test/models/access-om3/test_access_om3.py b/test/models/access-om3/test_access_om3.py
index c1e52f08..f42ebf83 100644
--- a/test/models/access-om3/test_access_om3.py
+++ b/test/models/access-om3/test_access_om3.py
@@ -12,8 +12,6 @@
 
 MODEL = 'access-om3'
 
-# Tests of cesm_cmeps
-
 def setup_module(module):
     """
     Put any test-wide setup code in here, e.g. creating test files
@@ -63,7 +61,7 @@ def cmeps_config(ncpu):
 
 
 def teardown_cmeps_config():
-     # Teardown
+    # Teardown
     os.remove(config_path)
 
 
@@ -100,17 +98,17 @@ def get(self, section, variable, value=None):
 
 
 @pytest.mark.parametrize("ncpu, moc_ntasks, moc_nthreads, moc_pestride, moc_rootpe", [
-                         (1,1,1,1,0), #min
-                         (4,4,1,1,0), #min tasks
-                         (4,2,2,2,0), #min tasks * threads
-                         (4,2,1,1,2), #min tasks + rootpe
-                         (4,1,2,2,2), #min threads + rootpe
-                         (4,1,1,1,3), #max rootpe
-                         (5,2,1,4,0), #max stride
-                         (13,4,1,3,1), #odd ncpu
-                         (13,2,3,3,1), #odd ncpu
-                         (100000,50000,1,2,0), #max cpu
-                         (100000,1,1,1,99999), #max cpu
+                         (1, 1, 1, 1, 0), #min
+                         (4, 4, 1, 1, 0), #min tasks
+                         (4, 2, 2, 2, 0), #min tasks * threads
+                         (4, 2, 1, 1, 2), #min tasks + rootpe
+                         (4, 1, 2, 2, 2), #min threads + rootpe
+                         (4, 1, 1, 1, 3), #max rootpe
+                         (5, 2, 1, 4, 0), #max stride
+                         (13, 4, 1, 3, 1), #odd ncpu
+                         (13, 2, 3, 3, 1), #odd ncpu
+                         (100000, 50000, 1, 2, 0), #max cpu
+                         (100000, 1, 1, 1, 99999), #max cpu
                          ])
 def test__setup_checks_npes(ncpu, moc_ntasks, moc_nthreads, moc_pestride, moc_rootpe):
 
@@ -139,16 +137,16 @@ def test__setup_checks_npes(ncpu, moc_ntasks, moc_nthreads, moc_pestride, moc_ro
 
 
 @pytest.mark.parametrize("ncpu, moc_ntasks, moc_nthreads, moc_pestride, moc_rootpe", [
-                         (1,1,1,1,1), #min
-                         (4,5,1,1,0), #min tasks
-                         (4,2,2,2,1), #min tasks * threads
-                         (2,1,2,1,1), #threads > strides
-                         (4,1,3,1,2), #min threads + rootpe
-                         (4,1,1,1,4), #max rootpe
-                         (13,4,1,4,1), #odd ncpu
-                         (13,2,7,7,0), #odd ncpu
-                         (100000,50001,1,2,0), #max cpu
-                         (100000,1,1,1,100000), #max cpu
+                         (1, 1, 1, 1, 1), #min
+                         (4, 5, 1, 1, 0), #min tasks
+                         (4, 2, 2, 2, 1), #min tasks * threads
+                         (2, 1, 2, 1, 1), #threads > strides
+                         (4, 1, 3, 1, 2), #min threads + rootpe
+                         (4, 1, 1, 1, 4), #max rootpe
+                         (13, 4, 1, 4, 1), #odd ncpu
+                         (13, 2, 7, 7, 0), #odd ncpu
+                         (100000, 50001, 1, 2, 0), #max cpu
+                         (100000, 1, 1, 1, 100000), #max cpu
                          ])
 def test__setup_checks_too_many_pes(ncpu, moc_ntasks, moc_nthreads, moc_pestride, moc_rootpe):
 
@@ -178,12 +176,12 @@ def test__setup_checks_too_many_pes(ncpu, moc_ntasks, moc_nthreads, moc_pestride
 
 
 @pytest.mark.parametrize("ncpu, pio_numiotasks, pio_stride, pio_root, pio_typename", [
-                         (1,1,1,0,"netcdf"), #min
-                         (2,1,1,1,"netcdf"), #max root 
-                         (2,2,1,0,"netcdf4p"), #min tasks + rootpe
-                         (2,1,1,1,"netcdf4p"), #max rootpe
-                         (5,3,2,0,"netcdf4p"), 
-                         (100000,50001,1,2,"netcdf4p"), #odd ncpu
+                         (1, 1, 1, 0, "netcdf"), #min
+                         (2, 1, 1, 1, "netcdf"), #max root 
+                         (2, 2, 1, 0, "netcdf4p"), #min tasks + rootpe
+                         (2, 1, 1, 1, "netcdf4p"), #max rootpe
+                         (5, 3, 2, 0, "netcdf4p"), 
+                         (100000, 50001, 1, 2, "netcdf4p"), #odd ncpu
                          ])
 def test__setup_checks_io(ncpu, pio_numiotasks, pio_stride, pio_root, pio_typename):
 
@@ -215,12 +213,12 @@ def test__setup_checks_io(ncpu, pio_numiotasks, pio_stride, pio_root, pio_typena
 
 
 @pytest.mark.parametrize("ncpu, pio_numiotasks, pio_stride, pio_root, pio_typename", [
-                         (1,1,1,0,"netcdf4c"), 
-                         (2,1,1,2,"netcdf"), #root too big 
-                         (2,3,1,0,"netcdf4p"), #too manu tasks
-                         (2,2,2,0,"netcdf4p"), #stride too big 
-                         (5,2,2,3,"netcdf4p"), #stride too big
-                         (100000,50000,2,2,"netcdf4p"), #odd ncpu
+                         (1, 1, 1, 0, "netcdf4c"), 
+                         (2, 1, 1, 2, "netcdf"), #root too big 
+                         (2, 3, 1, 0, "netcdf4p"), #too manu tasks
+                         (2, 2, 2, 0, "netcdf4p"), #stride too big 
+                         (5, 2, 2, 3, "netcdf4p"), #stride too big
+                         (100000, 50000, 2, 2, "netcdf4p"), #odd ncpu
                          ])
 def test__setup_checks_bad_io(ncpu, pio_numiotasks, pio_stride, pio_root, pio_typename):