Seems to be gevent.core that's causing the crash.

.landscape.yml

@@ -30,6 +30,10 @@ ignore-paths:
   - gevent/_tblib.py
   # likewise
   - greentest/six.py
+  # This triggers https://github.com/PyCQA/pylint/issues/846 on Travis,
+  # but the file is really small, so it's better to skip this one
+  # file than disable that whole check.
+  - gevent/core.py
   # sadly, this one is complicated
   - setup.py
   - greentest/getaddrinfo_module.py

.pylintrc

@@ -22,10 +22,11 @@
 # too-many-arguments, ; these are almost always because that's what the stdlib does
 # redefined-builtin, ; likewise: these tend to be keyword arguments like len= in the stdlib
 # undefined-all-variable,     ; XXX: This crashes with pylint 1.5.4 on Travis (but not locally on Py2/3
-#     ; or landscape.io on Py3). The file causing the problem is unclear.
+#     ; or landscape.io on Py3). The file causing the problem is unclear. UPDATE: identified and disabled
+#   that file.
+#   see https://github.com/PyCQA/pylint/issues/846
 # useless-suppression: the only way to avoid repeating it for specific statements everywhere that we
 #   do Py2/Py3 stuff is to put it here. Sadly this means that we might get better but not realize it.
-#   see https://github.com/PyCQA/pylint/issues/846
 disable=wrong-import-position,
     wrong-import-order,
     missing-docstring,
@@ -42,7 +43,7 @@ disable=wrong-import-position,
     too-many-arguments,
     redefined-builtin,
 	useless-suppression,
-#	undefined-all-variable
+	undefined-all-variable
 
 
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