Update import statement

[rouille]

Purpose

Update an import statement in the design_transmission module due to a reorganization in PostREISE

What is the code doing

Update import statement

Where to look

It is one line of code in the design_transmission module

Time estimate

It should be super quick

[danielolsen]

python -m pytest
============================= test session starts =============================
platform win32 -- Python 3.7.4, pytest-5.3.1, py-1.8.0, pluggy-0.13.1
rootdir: C:\Users\dolsen\repos\iv\PowerSimData
collected 90 items

powersimdata\input\tests\test_design_transmission.py ................... [ 21%]
..................                                                       [ 41%]
powersimdata\input\tests\test_grid.py ..............                     [ 56%]
powersimdata\scaling\clean_capacity_scaling\tests\test_object_persistence.py . [ 57%]
..                                                                       [ 60%]
powersimdata\scaling\clean_capacity_scaling\tests\test_resource_target_manager.py . [ 61%]
..............                                                           [ 76%]
powersimdata\scaling\clean_capacity_scaling\tests\test_strategies.py ... [ 80%]
.......                                                                  [ 87%]
powersimdata\scaling\clean_capacity_scaling\tests\test_target_manager_input.py . [ 88%]
..                                                                       [ 91%]
powersimdata\scenario\tests\test_scenario_info.py ........               [100%]

============================== warnings summary ===============================
C:\Python37\lib\site-packages\win32\lib\pywintypes.py:2
  C:\Python37\lib\site-packages\win32\lib\pywintypes.py:2: DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
    import imp, sys, os

-- Docs: https://docs.pytest.org/en/latest/warnings.html
======================== 90 passed, 1 warning in 5.34s ========================