Merge pull request #145 from mcflugen/mcflugen/fix-failing-time-varia…

…ble-test

Fix failing test_time_variable

tests/test_strat.py

@@ -660,7 +660,7 @@ def test_time_variable(self):
             self.golfstrat['time'],
             num_sections=50,
             last_section_radius=2750,
-            sediment_bins=np.linspace(0, golfcube.t[-1], num=5),
+            sediment_bins=np.linspace(0, float(golfcube.t[-1]), num=5),
             background=background,
             origin_idx=[3, 100])
         assert np.all(np.logical_or(s <= 1, np.isnan(s)))