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-rw-r--r--gerber/render/render.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/gerber/render/render.py b/gerber/render/render.py
index eab7d33..e40960d 100644
--- a/gerber/render/render.py
+++ b/gerber/render/render.py
@@ -63,7 +63,9 @@ class GerberContext(object):
self.aperture = d
def resolve(self, x, y):
- return x or self.x, y or self.y
+ x = x if x is not None else self.x
+ y = y if y is not None else self.y
+ return x, y
def define_aperture(self, d, shape, modifiers):
pass