From db118beeba1ba8d50e0d8e54eaecd7f19e8e8848 Mon Sep 17 00:00:00 2001
From: mrg <mrg@ucsc.edu>
Date: Tue, 2 Mar 2021 13:38:09 -0800
Subject: [PATCH] Zoom parameter should be optional in tech files.

---
 compiler/base/pin_layout.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/compiler/base/pin_layout.py b/compiler/base/pin_layout.py
index a86aa07b..eb4cb2ad 100644
--- a/compiler/base/pin_layout.py
+++ b/compiler/base/pin_layout.py
@@ -396,10 +396,14 @@ class pin_layout:
         # Add the text in the middle of the pin.
         # This fixes some pin label offsetting when GDS gets
         # imported into Magic.
+        try:
+            zoom = GDS["zoom"]
+        except KeyError:
+            zoom = None
         newLayout.addText(text=self.name,
                           layerNumber=layer_num,
                           purposeNumber=label_purpose,
-                          magnification=GDS["zoom"],
+                          magnification=zoom,
                           offsetInMicrons=self.center())
 
     def compute_overlap(self, other):