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AttributeError: 'int' object has no attribute 'is_Mul' #14

@AMzaheri

Description

@AMzaheri

Hello,

I’ve been trying to run the adjoin modeling example, but I encountered the following error. I was wondering if you could advise me how to solve it.
The error is:

Traceback (most recent call last):
File "/FWI/adjoint.py", line 48, in
stencil_v = Eq(v.backward, solve(pde, v.backward)[0])
File "
/.conda/envs/devito/lib/python3.10/site-packages/sympy/solvers/solvers.py", line 1038, in solve
if fi.is_constant():
File "/.conda/envs/devito/lib/python3.10/site-packages/sympy/core/expr.py", line 628, in is_constant
expr = expr.simplify()
File "
/.conda/envs/devito/lib/python3.10/site-packages/sympy/core/basic.py", line 1763, in simplify
return simplify(self, **kwargs)
File "/.conda/envs/devito/lib/python3.10/site-packages/sympy/simplify/simplify.py", line 746, in simplify
expr = short.xreplace(hollow_mul)
File "
/.conda/envs/devito/lib/python3.10/site-packages/sympy/core/basic.py", line 1183, in xreplace
value, _ = self._xreplace(rule)
File "/.conda/envs/devito/lib/python3.10/site-packages/sympy/core/basic.py", line 1198, in _xreplace
a_xr = _xreplace(rule)
File "
/.conda/envs/devito/lib/python3.10/site-packages/sympy/core/basic.py", line 1198, in _xreplace
a_xr = _xreplace(rule)
File "/local/devito/devito/finite_differences/derivative.py", line 225, in _xreplace
return self._new_from_self(subs=subs), True
File "
/local/devito/devito/finite_differences/derivative.py", line 202, in _new_from_self
return Derivative(expr, *self.dims, **_kwargs)
File "/local/devito/devito/finite_differences/derivative.py", line 107, in new
obj._ppsubs = as_tuple(frozendict(i) for i in kwargs.get("subs", []))
File "
/local/devito/devito/tools/utils.py", line 49, in as_tuple
t = tuple(item)
File "/local/devito/devito/finite_differences/derivative.py", line 107, in
obj._ppsubs = as_tuple(frozendict(i) for i in kwargs.get("subs", []))
File "/local/devito/devito/tools/data_structures.py", line 456, in init
self._dict = self.dict_cls(*args, **kwargs)
File "
/.conda/envs/devito/lib/python3.10/site-packages/sympy/core/rules.py", line 57, in getitem
if self._filter(key):
File "~/.conda/envs/devito/lib/python3.10/site-packages/sympy/simplify/simplify.py", line 741, in
x.is_Mul and
AttributeError: 'int' object has no attribute 'is_Mul'

Thank you,

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