Cluster.cpython-34m.so: Undefined Symbol: Pyexception_check

I am running a simple python(3.4.3) flask app on amazon linux, which uses datastax cassandra-driver(3.6). My application is failing to import the module. Traceback (most recent cal

Solution 1:

Latest version of Cython (0.25) released today broke cassandra-driver.

Workaround for this issue it to install Cython==0.24.1 before installing cassandra-driver.

(env) $ pip install Cython==0.24.1 (env) $ pip install cassandra-driver

You may need to remove existing cassandra-driver package first from site-packages:

rm -r $WHERE_PYTHON_IS_INSTALLED/lib/python2.7/site-packages/cassandra*

See https://datastax-oss.atlassian.net/browse/PYTHON-656 for more information