Python3 Migrate

venv/lib/python3.7/site-packages/pykka/_compat/__init__.py

@@ -0,0 +1,36 @@
+import sys
+
+
+PY2 = sys.version_info[0] == 2
+
+if PY2:
+    import Queue as queue  # noqa
+    from collections import Callable, Iterable  # noqa
+
+    string_types = basestring  # noqa
+
+    def reraise(tp, value, tb=None):
+        exec('raise tp, value, tb')
+
+    await_dunder_future = None
+    await_keyword = None
+
+else:
+    import queue  # noqa
+    from collections.abc import Callable, Iterable  # noqa
+
+    string_types = (str,)
+
+    def reraise(tp, value, tb=None):
+        if value is None:
+            value = tp()
+        if value.__traceback__ is not tb:
+            raise value.with_traceback(tb)
+        raise value
+
+    # `async def` and return inside a generator are syntax errors on Python 2
+    # so these must be hidden behind a conditional import.
+    from pykka._compat.await_py3 import (  # noqa
+        await_dunder_future,
+        await_keyword,
+    )

venv/lib/python3.7/site-packages/pykka/_compat/await_py3.py

@@ -0,0 +1,8 @@
+def await_dunder_future(self):
+    yield
+    value = self.get()
+    return value
+
+
+async def await_keyword(val):
+    return await val