sqlalchemy.exc.NoSuchModuleError: Can't load plugin: sqlalchemy.dialects:postgresql.psycopg2

#-*- coding: 'utf-8' -*-

from cx_Freeze import setup, Executable
import sys

# Dependencies are automatically detected, but it might need
# fine tuning.

# execute this file with the command: python setup.py build

buildOptions = dict(packages = ['ht_cg.ht_cg_objects'],
                    includes = ['ht_cg.ht_cg_objects'],
                    excludes = ['tkinter', 'PyQt4', 'matplotlib', 'tcl', 'scipy'],
                    include_files = ['./cg_source_prep/readme.txt', "./ht_cg_objects/ht_db_config.cfg"],
                    build_exe = 'build/source_density_exe')

sys.path.append('./')
sys.path.append('../')
executables = [
    Executable(script = "cg_source_save.py",
                initScript = None,
                base='Console',
                targetName = 'source_density_save.exe',
                copyDependentFiles = True,
                compress = True,
                appendScriptToExe = True,
                appendScriptToLibrary = True,
                shortcutName="CG Source Density",
                shortcutDir='DesktopFolder',
                icon = "./cg_source_prep/archimedes.ico"
            )
                ]

setup(name='Source_Density',
      version = '1.0',
      description = 'Source Density Uploader',
      author = 'zeppelin_d',
      author_email = 'zeppelin_d@email',
      options = dict(build_exe = buildOptions),
      executables = executables)

postgresql+psycopg2://user_name:[email protected]:5432/ht_cg_prod