Fix y_labels map iterator exhaustion in python 3

CHANGELOG

@@ -1,3 +1,6 @@
+V 1.4.5
+	Fix y_labels map iterator exhaustion in python 3
+
 V 1.4.4
 	Fix division by zero in spark text (thanks laserpony)
 	Fix config metaclass problem in python 3

demo/moulinrouge/tests.py

@@ -256,6 +256,16 @@ def get_test_routes(app):
         hist.add('2', [(2, 2, 8)])
         return hist.render_response()
 
+
+    @app.route('/test/ylabels')
+    def test_ylabels():
+        chart = Line()
+        chart.x_labels = 'Red', 'Blue', 'Green'
+        chart.y_labels = .0001, .0003, .0004, .00045, .0005
+        chart.add('line', [.0002, .0005, .00035])
+        return chart.render_response()
+
+
     @app.route('/test/secondary/<chart>')
     def test_secondary_for(chart):
         chart = CHARTS_BY_NAME[chart](fill=True)

pygal/__init__.py

@@ -21,7 +21,7 @@ Pygal -  A python svg graph plotting library
 
 """
 
-__version__ = '1.4.4'
+__version__ = '1.4.5'
 import sys
 from pygal.config import Config
 from pygal.ghost import Ghost, REAL_CHARTS

pygal/graph/box.py

@@ -74,7 +74,7 @@ class Box(Graph):
 
         y_pos = compute_scale(
             self._box.ymin, self._box.ymax, self.logarithmic, self.order_min
-        ) if not self.y_labels else map(float, self.y_labels)
+        ) if not self.y_labels else list(map(float, self.y_labels))
 
         self._x_labels = self.x_labels and list(zip(self.x_labels, [
             (i + .5) / self._order for i in range(self._order)]))

pygal/graph/funnel.py

@@ -85,7 +85,7 @@ class Funnel(Graph):
 
         y_pos = compute_scale(
             self._box.ymin, self._box.ymax, self.logarithmic, self.order_min
-        ) if not self.y_labels else map(float, self.y_labels)
+        ) if not self.y_labels else list(map(float, self.y_labels))
 
         self._x_labels = list(
             zip(cut(self.series, 'title'),

pygal/graph/line.py

@@ -131,7 +131,7 @@ class Line(Graph):
 
         y_pos = compute_scale(
             self._box.ymin, self._box.ymax, self.logarithmic, self.order_min
-        ) if not self.y_labels else map(float, self.y_labels)
+        ) if not self.y_labels else list(map(float, self.y_labels))
 
         self._y_labels = list(zip(map(self._format, y_pos), y_pos))
 

pygal/graph/radar.py

@@ -182,7 +182,7 @@ class Radar(Line):
         y_pos = compute_scale(
             self._rmin, self._rmax, self.logarithmic, self.order_min,
             max_scale=8
-        ) if not self.y_labels else map(int, self.y_labels)
+        ) if not self.y_labels else list(map(int, self.y_labels))
 
         self._x_labels = self.x_labels and list(zip(self.x_labels, x_pos))
         self._y_labels = list(zip(map(self._format, y_pos), y_pos))

pygal/graph/stackedbar.py

@@ -68,7 +68,7 @@ class StackedBar(Bar):
         self._points(x_pos)
         y_pos = compute_scale(
             self._box.ymin, self._box.ymax, self.logarithmic, self.order_min
-        ) if not self.y_labels else map(float, self.y_labels)
+        ) if not self.y_labels else list(map(float, self.y_labels))
         self._x_ranges = zip(x_pos, x_pos[1:])
 
         self._x_labels = self.x_labels and list(zip(self.x_labels, [