diff --git a/compiler/base/geometry.py b/compiler/base/geometry.py
index d397f7a3..c691db5d 100644
--- a/compiler/base/geometry.py
+++ b/compiler/base/geometry.py
@@ -179,7 +179,7 @@ class instance(geometry):
         # track if the instance's spice pin connections have been made
         self.connected = False
 
-        # deepcopy because this instance needs to 
+        # deepcopy because this instance needs to
         # change attributes in these spice objects
         self.spice_pins = copy.deepcopy(self.mod.pins)
         self.spice_nets = copy.deepcopy(self.mod.nets)