in evaluation/latex2sympy/latex2sympy2.py [0:0]
def add_flat(lh, rh):
if hasattr(lh, 'is_Add') and lh.is_Add or hasattr(rh, 'is_Add') and rh.is_Add:
args = []
if hasattr(lh, 'is_Add') and lh.is_Add:
args += list(lh.args)
else:
args += [lh]
if hasattr(rh, 'is_Add') and rh.is_Add:
args = args + list(rh.args)
else:
args += [rh]
return sympy.Add(*args, evaluate=False)
else:
return sympy.Add(lh, rh, evaluate=False)