Parellelized testing. Caught a lot of bugs.
diff --git a/tests/test_varblock.py b/tests/test_varblock.py
index 24ea50f..d6465ed 100644
--- a/tests/test_varblock.py
+++ b/tests/test_varblock.py
@@ -1,4 +1,4 @@
-'''Tests varblock operations.'''
+"""Tests varblock operations."""
 
 
 try: