fix is not to !=

Author: arpruss

gcodeplot.py

@@ -453,7 +453,7 @@ def flip(y):
             state.curXY = p
 
     for pen in sorted(data):
-        if pen is not 1:
+        if pen != 1:
             state.curZ = None
             state.curXY = None
 

svgpath/parser.py

@@ -592,7 +592,7 @@ def getFloat(attribute,default=0.):
                     if tag.strip().lower().endswith("}href"):
                         link = tree.attrib[tag]
                         break
-                if link is None or link[0] is not '#':
+                if link is None or link[0] != '#':
                     raise KeyError
                 source = savedElements[link[1:]]
                 x = 0