From 711de5193078144c9ea4ce9cc975437709ab8e7c Mon Sep 17 00:00:00 2001
From: Aneesh Dogra <lionaneesh@gmail.com>
Date: Tue, 04 Dec 2012 10:01:25 +0000
Subject: Fix invalid reference error.

An invalid reference error ("x_space referenced before assignment") occurs in the plotting function when a N..N range is provided. (N denotes any number) like 1..1, 2..2 etc.
---
diff --git a/plotlib.py b/plotlib.py
index d6527b9..4d54395 100644
--- a/plotlib.py
+++ b/plotlib.py
@@ -154,7 +154,7 @@ class CustomPlot(_PlotBase):
             self.maxy = max(float(y), self.maxy)
 
         if self.minx == self.maxx:
-            xYspace = 0.5
+            x_space = 0.5
         else:
             x_space = 0.02 * (self.maxx - self.minx)
         self.minx -= x_space
--
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