Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/cherrypy/_cprequest.py", line 656, in respond
response.body = self.handler()
File "/usr/local/lib/python2.7/dist-packages/cherrypy/lib/encoding.py", line 188, in call
self.body = self.oldhandler(_args, *_kwargs)
File "/usr/local/lib/python2.7/dist-packages/cherrypy/_cpdispatch.py", line 34, in call
return self.callable(_self.args, *_self.kwargs)
File "server.py", line 190, in services
result = funcHandle(*funcArgs)
File "/var/web_server/apps/CloudMath/controller/Control.py", line 365, in variable_change_value
equation.constraint_check(solution, desig, float(value), MATHRENDER)
File "/var/web_server/apps/CloudMath/model/MathHertz.py", line 217, in constraint_check
_, _, singleVarDesigMap, vistedEquations = variable_create_map(self)
File "/var/web_server/apps/CloudMath/model/MathHertz.py", line 77, in variable_create_map
if not(variableTemp.equation in equations):
AttributeError: 'Variable' object has no attribute 'equation'

Steps to Repeat

Change Rho1 to 0.2

Replace hysteretic with hysteresis

When site was announced on Hackaday, visitors started getting the error below

LockError: Couldn’t lock ‘/mnt/var/web_server/dist/images/cache/cache.fs.lock’

Mostly likely the caching module is not thread safe (multiple cherrypy sessions). Will investigate more.

Sign is flipped in opamp symbol.

The image has V2 labeled as V1 and vice versa. Suggested fix: change either image or equations.