add clarification comment

apache · Jul 3, 2018 · ac38837 · ac38837
1 parent 1135b51
commit ac38837
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/python/pyarrow/__init__.py b/python/pyarrow/__init__.py
@@ -45,6 +45,12 @@ def parse_version(root):
 
 
 try:
+    # We need to do the following to load TensorFlow before
+    # pyarrow.lib. If we don't do this there are symbol clashes
+    # between TensorFlow's use of threading and our global
+    # thread pool, see also
+    # https://issues.apache.org/jira/browse/ARROW-2657 and
+    # https://github.com/apache/arrow/pull/2096.
     import ctypes
     import os
     from sys import platform