add

ccxt/static_dependencies/toolz/compatibility.py

@@ -0,0 +1,30 @@
+import warnings
+warnings.warn("The toolz.compatibility module is no longer "
+              "needed in Python 3 and has been deprecated. Please "
+              "import these utilities directly from the standard library. "
+              "This module will be removed in a future release.",
+              category=DeprecationWarning, stacklevel=2)
+
+import operator
+import sys
+
+PY3 = sys.version_info[0] > 2
+PY34 = sys.version_info[0] == 3 and sys.version_info[1] == 4
+PYPY = hasattr(sys, 'pypy_version_info') and PY3
+
+__all__ = ('map', 'filter', 'range', 'zip', 'reduce', 'zip_longest',
+           'iteritems', 'iterkeys', 'itervalues', 'filterfalse',
+           'PY3', 'PY34', 'PYPY')
+
+
+map = map
+filter = filter
+range = range
+zip = zip
+from functools import reduce
+from itertools import zip_longest
+from itertools import filterfalse
+iteritems = operator.methodcaller('items')
+iterkeys = operator.methodcaller('keys')
+itervalues = operator.methodcaller('values')
+from collections.abc import Sequence