Merge pull request MIT-LCP#172 from MIT-LCP/144

Unnecessary argument in plt.show(). Fixes MIT-LCP#144

Author: tompollard

wfdb/plot/plot.py

@@ -117,11 +117,11 @@ def plot_items(signal=None, ann_samp=None, ann_sym=None, fs=None,
     label_figure(axes, n_subplots, time_units, sig_name, sig_units, ylabel,
                  title)
 
-    plt.show(fig)
-
     if return_fig:
         return fig
 
+    plt.show()
+
 def get_plot_dims(signal, ann_samp):
     "Figure out the number of plot channels"
     if signal is not None: