Error while running run_all_pipeline.py

[kousik97]

I get the following error while trying to execute run_all_pipeline.py:
Also, I am using only CPU

Traceback (most recent call last):
File "scripts/run_all_pipeline.py", line 4, in
from keras.layers import (LSTM, BatchNormalization, Convolution3D, Dense, Dropout, Flatten, Input,
File "/home2/koushik/venv/local/lib/python2.7/site-packages/keras/init.py", line 3, in
from . import backend
File "/home2/koushik/venv/local/lib/python2.7/site-packages/keras/backend/init.py", line 54, in
from .tensorflow_backend import *
File "/home2/koushik/venv/local/lib/python2.7/site-packages/keras/backend/tensorflow_backend.py", line 1, in
import tensorflow as tf
File "/usr/local/lib/python2.7/dist-packages/tensorflow/init.py", line 24, in
from tensorflow.python import *
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/init.py", line 75, in
from tensorflow.core.framework.graph_pb2 import *
File "/usr/local/lib/python2.7/dist-packages/tensorflow/core/framework/graph_pb2.py", line 6, in
from google.protobuf import descriptor as _descriptor
File "/usr/local/lib/python2.7/dist-packages/google/protobuf/init.py", line 37, in
import('pkg_resources').declare_namespace(name)
File "/home2/koushik/venv/local/lib/python2.7/site-packages/pkg_resources.py", line 22, in
import zipfile
File "/usr/lib/python2.7/zipfile.py", line 501, in
class ZipExtFile(io.BufferedIOBase):
AttributeError: 'module' object has no attribute 'BufferedIOBase'