diff --git a/src/pystencils_autodiff/__init__.py b/src/pystencils_autodiff/__init__.py
index 330bed690611f22fa19f55d8d564f0158ef48d08..e15b7d2fd9ece8e4801e43fc85362a18684e4eb6 100644
--- a/src/pystencils_autodiff/__init__.py
+++ b/src/pystencils_autodiff/__init__.py
@@ -20,4 +20,3 @@ __all__ = ['backends',
 
 sys.modules['pystencils.autodiff'] = pystencils_autodiff
 sys.modules['pystencils.autodiff.backends'] = pystencils_autodiff.backends
-
diff --git a/src/pystencils_autodiff/framework_integration/astnodes.py b/src/pystencils_autodiff/framework_integration/astnodes.py
index fdfe10064206b47ce28685796a7e94ae81793f00..e7fc9139c1c9e8986928607ce23fe24210f22b0a 100644
--- a/src/pystencils_autodiff/framework_integration/astnodes.py
+++ b/src/pystencils_autodiff/framework_integration/astnodes.py
@@ -154,7 +154,7 @@ auto {texture_object}Destroyer = [&](){{
             device_ptr=self._device_ptr,
             cuda_channel_format=self._get_channel_format_string(),
             bits_per_channel=self._dtype.itemsize * 8,
-            total_size=self._dtype.itemsize * reduce(lambda x, y: x*y, self._shape, 1))
+            total_size=self._dtype.itemsize * reduce(lambda x, y: x * y, self._shape, 1))
         return code