Fix package name in tests

Author: takluyver

test_ipython_pygments_lexers.py

@@ -8,7 +8,7 @@
 from pygments.token import Token
 from pygments.lexers import BashLexer
 
-import pygments_lexers_ipython as lexers
+import ipython_pygments_lexers as lexers
 
 pyg214 = tuple(int(x) for x in pygments_version.split(".")[:2]) >= (2, 14)