Error messages displayed with pgAdmin4.py when user done latest git pull for pgAdmin4

Hi,

Following error message displayed pgAdmin4.py when user done latest git pull for pgAdmin4 on Ubuntu 14.04 64 bit:
-------------
python pgAdmin4.py
Traceback (most recent call last):
  File "pgAdmin4.py", line 56, in <module>
    app = create_app()
  File "/home/fahar/Projects/pgadmin4/web/pgadmin/__init__.py", line 223, in create_app
    app.register_blueprint(module)
  File "/home/fahar/venv/lib/python3.4/site-packages/flask/app.py", line 62, in wrapper_func
    return f(self, *args, **kwargs)
  File "/home/fahar/venv/lib/python3.4/site-packages/flask/app.py", line 889, in register_blueprint
    blueprint.register(self, options, first_registration)
  File "/home/fahar/Projects/pgadmin4/web/pgadmin/utils/__init__.py", line 55, in register
    self.submodules = list(app.find_submodules(self.import_name))
  File "/home/fahar/Projects/pgadmin4/web/pgadmin/__init__.py", line 44, in find_submodules
    module = import_module(module_name)
  File "/home/fahar/venv/lib/python3.4/importlib/__init__.py", line 109, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 2254, in _gcd_import
  File "<frozen importlib._bootstrap>", line 2237, in _find_and_load
  File "<frozen importlib._bootstrap>", line 2226, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 1200, in _load_unlocked
  File "<frozen importlib._bootstrap>", line 1129, in _exec
  File "<frozen importlib._bootstrap>", line 1471, in exec_module
  File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed
  File "/home/fahar/Projects/pgadmin4/web/pgadmin/misc/bgprocess/__init__.py", line 21, in <module>
    from .processes import BatchProcess
  File "/home/fahar/Projects/pgadmin4/web/pgadmin/misc/bgprocess/processes.py", line 35, in <module>
    from cStringIO import StringIO
ImportError: No module named 'cStringIO'

Regards,

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