diff --git a/pystencils/__init__.py b/pystencils/__init__.py
index f71103bca09276858a32fe2113f3771121babdb4..82ffaf60a1dcc4d8804ea295766fad84a33092fe 100644
--- a/pystencils/__init__.py
+++ b/pystencils/__init__.py
@@ -43,10 +43,9 @@ del get_versions
 
 # setting the default GPU to the one with maximal memory. GPU_DEVICE is safe to overwrite for different needs
 try:
-  import cupy
-  if cupy.cuda.runtime.getDeviceCount() > 0:
-    GPU_DEVICE = sorted(range(cupy.cuda.runtime.getDeviceCount()),
-                        key=lambda i: cupy.cuda.Device(i).mem_info[1], reverse=True)[0]
+    import cupy
+    if cupy.cuda.runtime.getDeviceCount() > 0:
+        GPU_DEVICE = sorted(range(cupy.cuda.runtime.getDeviceCount()),
+                            key=lambda i: cupy.cuda.Device(i).mem_info[1], reverse=True)[0]
 except ImportError:
-  pass
-
+    pass