diff --git a/Tools/pynche/ColorDB.py b/Tools/pynche/ColorDB.py
index 6d52b40..fcf1b87 100644
--- a/Tools/pynche/ColorDB.py
+++ b/Tools/pynche/ColorDB.py
@@ -66,7 +66,7 @@
             # version the `name', or the CapitalizedVersion, etc.
             key = (red, green, blue)
             foundname, aliases = self.__byrgb.get(key, (name, []))
-            if foundname <> name and foundname not in aliases:
+            if foundname != name and foundname not in aliases:
                 aliases.append(name)
             self.__byrgb[key] = (foundname, aliases)
             # add to byname lookup
@@ -122,7 +122,7 @@
             self.__allnames = []
             for name, aliases in self.__byrgb.values():
                 self.__allnames.append(name)
-            self.__allnames.sort(key=unicode.lower)
+            self.__allnames.sort(key=str.lower)
         return self.__allnames
 
     def aliases_of(self, red, green, blue):
@@ -209,7 +209,7 @@
     """Converts a #rrggbb color to the tuple (red, green, blue)."""
     rgbtuple = _namedict.get(color)
     if rgbtuple is None:
-        if color[0] <> '#':
+        if color[0] != '#':
             raise BadColor(color)
         red = color[1:3]
         green = color[3:5]
@@ -232,7 +232,7 @@
 
 _maxtuple = (256.0,) * 3
 def triplet_to_fractional_rgb(rgbtuple):
-    return map(operator.__div__, rgbtuple, _maxtuple)
+    return list(map(operator.__div__, rgbtuple, _maxtuple))
 
 
 def triplet_to_brightness(rgbtuple):
diff --git a/Tools/pynche/StripViewer.py b/Tools/pynche/StripViewer.py
index 01bcbf6..a7de398 100644
--- a/Tools/pynche/StripViewer.py
+++ b/Tools/pynche/StripViewer.py
@@ -62,32 +62,32 @@
 # red variations, green+blue = cyan constant
 def constant_red_generator(numchips, red, green, blue):
     seq = constant(numchips)
-    return map(None, [red] * numchips, seq, seq)
+    return list(map(None, [red] * numchips, seq, seq))
 
 # green variations, red+blue = magenta constant
 def constant_green_generator(numchips, red, green, blue):
     seq = constant(numchips)
-    return map(None, seq, [green] * numchips, seq)
+    return list(map(None, seq, [green] * numchips, seq))
 
 # blue variations, red+green = yellow constant
 def constant_blue_generator(numchips, red, green, blue):
     seq = constant(numchips)
-    return map(None, seq, seq, [blue] * numchips)
+    return list(map(None, seq, seq, [blue] * numchips))
 
 # red variations, green+blue = cyan constant
 def constant_cyan_generator(numchips, red, green, blue):
     seq = constant(numchips)
-    return map(None, seq, [green] * numchips, [blue] * numchips)
+    return list(map(None, seq, [green] * numchips, [blue] * numchips))
 
 # green variations, red+blue = magenta constant
 def constant_magenta_generator(numchips, red, green, blue):
     seq = constant(numchips)
-    return map(None, [red] * numchips, seq, [blue] * numchips)
+    return list(map(None, [red] * numchips, seq, [blue] * numchips))
 
 # blue variations, red+green = yellow constant
 def constant_yellow_generator(numchips, red, green, blue):
     seq = constant(numchips)
-    return map(None, [red] * numchips, [green] * numchips, seq)
+    return list(map(None, [red] * numchips, [green] * numchips, seq))
 
 
 
diff --git a/Tools/pynche/pyColorChooser.py b/Tools/pynche/pyColorChooser.py
index d2ad61a..9507847 100644
--- a/Tools/pynche/pyColorChooser.py
+++ b/Tools/pynche/pyColorChooser.py
@@ -28,7 +28,7 @@
         dbfile = options.get('databasefile', self.__databasefile)
         # load the database file
         colordb = None
-        if dbfile <> self.__databasefile:
+        if dbfile != self.__databasefile:
             colordb = ColorDB.get_colordb(dbfile)
         if not self.__master:
             from Tkinter import Tk