tensorflow is installed still getting below error

[suryawanshishantanu6]

Traceback (most recent call last):
File "/usr/local/bin/flow", line 5, in
pkg_resources.run_script('darkflow==1.0.0', 'flow')
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 528, in run_script
self.require(requires)[0].run_script(script_name, ns)
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 1401, in run_script
exec(script_code, namespace, namespace)
File "/usr/local/lib/python2.7/dist-packages/darkflow-1.0.0-py2.7-linux-x86_64.egg/EGG-INFO/scripts/flow", line 4, in
import pkg_resources
File "build/bdist.linux-x86_64/egg/darkflow/cli.py", line 3, in
File "build/bdist.linux-x86_64/egg/darkflow/net/build.py", line 1, in
ImportError: No module named tensorflow