Merge pull request #56 from FoamyGuy/fix_max_glyphs

fix max_glyphs count when text wasn't passed in constructor

Author: jepler

adafruit_display_text/label.py

@@ -82,8 +82,9 @@ def __init__(
         if not max_glyphs and not text:
             raise RuntimeError("Please provide a max size, or initial text")
         if not max_glyphs:
-            max_glyphs = len(text) + 1  # add one for the background bitmap tileGrid
-        super().__init__(max_size=max_glyphs, **kwargs)
+            max_glyphs = len(text)
+        # add one to max_size for the background bitmap tileGrid
+        super().__init__(max_size=max_glyphs + 1, **kwargs)
 
         self.width = max_glyphs
         self._font = font