oauth working again (CORS allow all)

rowers/dataprep.py

@@ -84,6 +84,16 @@ def rdata(file,rower=rrower()):
 
     return res
 
+def delete_strokedata(id):
+    query = sa.text('DELETE FROM strokedata WHERE workoutid={id};'.format(
+        id=id,
+    ))
+    with engine.connect() as conn, conn.begin():
+        try:
+            result = conn.execute(query)
+        except:
+            print "Database Locked"
+
 def testdata(time,distance,pace,spm):
     t1 = np.issubdtype(time,np.number)
     t2 = np.issubdtype(distance,np.number)