diff --git a/rowers/dataroutines.py b/rowers/dataroutines.py
index cd3f82fc..8c0cdd33 100644
--- a/rowers/dataroutines.py
+++ b/rowers/dataroutines.py
@@ -1165,7 +1165,7 @@ def getrowdata_db(id=0, doclean=False, convertnewtons=True,
 
     if data.empty:
         rowdata, row = getrowdata(id=id)
-        if not rowdata.empty:
+        if not rowdata.empty: # pragma: no cover
             data = dataprep(rowdata.df, id=id, bands=True,
                             barchart=True, otwpower=True)
         else:
@@ -1511,7 +1511,7 @@ def add_efficiency(id=0):  # pragma: no cover
 
 
 def dataprep(rowdatadf, id=0, bands=True, barchart=True, otwpower=True,
-             empower=True, inboard=0.88, forceunit='lbs'):
+             empower=True, inboard=0.88, forceunit='lbs', debug=False):
 
     if rowdatadf.empty:
         return 0
@@ -1803,18 +1803,14 @@ def delete_agegroup_db(age, sex, weightcategory, debug=False):
     else:  # pragma: no cover
         engine = create_engine(database_url, echo=False)
 
-    query = sa.text('DELETE from {table} WHERE age={age} and weightcategory = {weightcategory} and sex={sex};'.format(
+    query = sa.text("DELETE from {table} WHERE age='{age}' and weightcategory='{weightcategory}' and sex='{sex}';".format(
         sex=sex,
         age=age,
         weightcategory=weightcategory,
         table='calcagegrouprecords'
     ))
     with engine.connect() as conn, conn.begin():
-        try:
-            _ = conn.execute(query)
-        except Exception as e:  # pragma: no cover
-            print(Exception, e)
-            print("Database locked")
+        _ = conn.execute(query)
     conn.close()
     engine.dispose()
 
@@ -1934,10 +1930,8 @@ def add_c2_stroke_data_db(strokedata, workoutid, starttimeunix, csvfilename,
     res = df.to_csv(csvfilename, index_label='index',
                     compression='gzip')
 
-    try:
-        data = dataprep(df, id=workoutid, bands=False, debug=debug)
-    except:  # pragma: no cover
-        return 0
+
+    data = dataprep(df, id=workoutid, bands=False, debug=debug)
 
     return data
 
diff --git a/rowers/tasks.py b/rowers/tasks.py
index f6f062ad..0b8f0cff 100644
--- a/rowers/tasks.py
+++ b/rowers/tasks.py
@@ -5,7 +5,7 @@ CFG = yamjam()['rowsandallapp']
 
 try:
     os.environ.setdefault("DJANGO_SETTINGS_MODULE",CFG['settings_name'])
-except KeyError:
+except KeyError: # pragma: no cover
     os.environ.setdefault("DJANGO_SETTINGS_MODULE","rowsandall_app.settings")
 
 from django.core.wsgi import get_wsgi_application
diff --git a/rowers/tests/test_async_tasks.py b/rowers/tests/test_async_tasks.py
index 713dbd04..9721356a 100644
--- a/rowers/tests/test_async_tasks.py
+++ b/rowers/tests/test_async_tasks.py
@@ -81,7 +81,7 @@ class AsyncTaskTests(TestCase):
 
     def test_polygons(self):
       polygons = GeoPolygon.objects.all()
-      
+
       polygon = polygons[0]
 
       #obj = (polygon.id,polygon.name)