Bug in for loop in hc_example

[emarinri]

• MolSSI Workflow version:
• Python version:
• Operating System: MacOS Mojave 10.14.6

Description

Edits in the for loop of hc_example

What I Did

1. Open hc_example
2. Click on loop step
3. Select loop type While
4. Get an error that While is not implemented
5. SEAMM freezes

RuntimeError Exception in Tk callback
  Function: <bound method TkLoop.reset_dialog of <loop_step.tk_loop.TkLoop object at 0x11a859860>> (type: <class 'method'>)
  Args: (<VirtualEvent event x=0 y=0>,)
  Event type: VirtualEvents (type num: 35)
Traceback (innermost last):
  File "/Users/meliseo/miniconda3/envs/seamm-dev/lib/python3.7/site-packages/Pmw/Pmw_2_0_1/lib/PmwBase.py", line 1776, in __call__
    return self.func(*args)
  File "/Users/meliseo/miniconda3/envs/seamm-dev/lib/python3.7/site-packages/loop_step/tk_loop.py", line 105, in reset_dialog
    "Don't recognize the loop_type {}".format(loop_type)
RuntimeError: Don't recognize the loop_type While