Fix pairwise dendrogram plots for new seaborn

This fixes asntech#12

intervene/modules/pairwise/pairwise.py

@@ -17,10 +17,13 @@
 import pylab as pl
 import scipy.cluster.hierarchy as sch
 import string
+import matplotlib.pyplot as plt
 from matplotlib import gridspec
 import seaborn as sns
 from intervene import helpers
 
+sns.set()
+
 
 def get_name(fname):
     return op.splitext(op.basename(fname))[0]
@@ -301,8 +304,8 @@ def heatmap_dendrogram(dataframe, outfile, options):
     else:
         sns_plot = sns.clustermap(dataframe, cmap="RdBu", linewidths=.3)
 
-    sns.plt.setp(sns_plot.ax_heatmap.yaxis.get_majorticklabels(), rotation=0)
-    sns.plt.suptitle(options.hlabel)
+    plt.setp(sns_plot.ax_heatmap.yaxis.get_majorticklabels(), rotation=0)
+    plt.suptitle(options.hlabel)
 
     sns_plot.savefig(outfile, bbox_inches='tight', dpi=options.dpi)
 
@@ -486,4 +489,4 @@ def pairwise_intersection(label_names, options):
         create_r_script(matrix_file, options, max_size=max(bed_sizes))
         #cmd = 'heatmap_intervene.R %s %s %s %s %s %s %s' % (matrix_file,options.htype,options.compute, output_name,options.figtype, str(options.title), options.dpi)
         #os.system(cmd)
-        #print('\nYou are done! Please check your results @ '+options.output+'. \nThank you for using Intervene!\n')
+        #print('\nYou are done! Please check your results @ '+options.output+'. \nThank you for using Intervene!\n')