Updates to VERSION to go along with pull requests 111 and 112, and
an update to the check_density script.

VERSION

diff --git a/VERSION b/VERSION
index 2e74539..840c6ce 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.126
+1.0.127

sky130/custom/scripts/check_density.py

diff --git a/sky130/custom/scripts/check_density.py b/sky130/custom/scripts/check_density.py
index 444b85c..9b759a6 100755
--- a/sky130/custom/scripts/check_density.py
+++ b/sky130/custom/scripts/check_density.py
@@ -590,7 +590,8 @@
         print('***Error:  MET5 Density > 76%')
 
     if not keepmode:
-        os.remove(magpath + '/check_density.tcl')
+        if os.path.isfile(magpath + '/check_density.tcl'):
+            os.remove(magpath + '/check_density.tcl')
 
     print('')
     print('Done!')