Coverplot py3

Coverplot Python3 conversion.

coverplot/coverplot.py

@@ -307,7 +307,7 @@ class CoverPlot(Frame):
             label_width = self.Xlen / num_labels
 ##            print "Xlen, # labels, width:", self.Xlen,  num_labels, label_width
 ##            print "X0, XN:", self.X0, self.XN
-            for x in range(self.X0, self.XN, label_width):
+            for x in range(int(self.X0), int(self.XN), int(label_width)):
 ##                print "self.pixelsPERsecond, HOUR:" , self.pixelsPERsecond, HOUR ## "x, epoch, Julian, Gregorian, Time:", x, "**", self.fmt_jul_date(self.x2epoch(x)), "**", self.fmt_greg_date(self.x2epoch(x)), "**", self.fmt_time(self.x2epoch(x))
 ##                print "plot_time_axes: x, self.x2epoch(x):", x, self.x2epoch(x), self.fmt_jul_date(self.x2epoch(x)), self.fmt_greg_date(self.x2epoch(x)), self.fmt_time(self.x2epoch(x))
                 self.create_text( x, self.MTOP +10 + offset, text=self.fmt_jul_date(self.x2epoch(x)), fill='black', anchor='s')