Bump min version of xdis

Author: rocky

__pkginfo__.py

@@ -85,7 +85,7 @@
 install_requires = [
     "columnize >= 0.3.10",
     "pyficache >= 2.3.0",
-    "xdis >= 6.0.3,<6.2.0",
+    "xdis >= 6.1.1,<6.2.0",
     "pygments %s" % pygments_version,
     "spark_parser >= 1.8.9, <1.9.0",
     "tracer >= 0.3.2",