[BUG]: Maximum recursion depth reached in pysr2sympy

[ViRb3]

What happened?

PoC:

import pysr
pysr.export_sympy.pysr2sympy("min(31.0, ceil(max(((0.09414722 * x1) + -0.54402936) - 149.09248, 149.08806 - (0.09424036 * x2))) + -0.1880195)")

Results:

[ BELOW 2 CALLS REPEATING ]
File "~/.venv/lib/python3.13/site-packages/sympy/functions/elementary/piecewise.py", line 204, in eval
  return cls(*newargs)
File "~/.venv/lib/python3.13/site-packages/sympy/functions/elementary/piecewise.py", line 148, in __new__
  r = cls.eval(*newargs)
File "~/.venv/lib/python3.13/site-packages/sympy/functions/elementary/piecewise.py", line 204, in eval
  return cls(*newargs)
File "~/.venv/lib/python3.13/site-packages/sympy/functions/elementary/piecewise.py", line 148, in __new__
  r = cls.eval(*newargs)
File "~/.venv/lib/python3.13/site-packages/sympy/functions/elementary/piecewise.py", line 190, in eval
  newargs = _piecewise_collapse_arguments(_args)
File "~/.venv/lib/python3.13/site-packages/sympy/functions/elementary/piecewise.py", line 1249, in _piecewise_collapse_arguments
  cond = cond.replace(
      lambda _: _.is_Relational, _canonical_coeff)
File "~/.venv/lib/python3.13/site-packages/sympy/core/basic.py", line 1797, in replace
  rv = walk(self, rec_replace)
File "~/.venv/lib/python3.13/site-packages/sympy/core/basic.py", line 1782, in walk
  rv = F(rv)
File "~/.venv/lib/python3.13/site-packages/sympy/core/basic.py", line 1790, in rec_replace
  v = _value(expr, result)
File "~/.venv/lib/python3.13/site-packages/sympy/core/basic.py", line 1756, in <lambda>
  _value = lambda expr, result: value(expr)
                                ~~~~~^^^^^^
File "~/.venv/lib/python3.13/site-packages/sympy/core/relational.py", line 62, in _canonical_coeff
  return rel.func(lhs, rhs)
          ~~~~~~~~^^^^^^^^^^
File "~/.venv/lib/python3.13/site-packages/sympy/core/relational.py", line 859, in __new__
  return cls._eval_relation(lhs, rhs, **options)
          ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
File "~/.venv/lib/python3.13/site-packages/sympy/core/relational.py", line 866, in _eval_relation
  val = cls._eval_fuzzy_relation(lhs, rhs)
File "~/.venv/lib/python3.13/site-packages/sympy/core/relational.py", line 1193, in _eval_fuzzy_relation
  return is_lt(lhs, rhs)
File "~/.venv/lib/python3.13/site-packages/sympy/core/relational.py", line 1272, in is_lt
  return fuzzy_not(is_ge(lhs, rhs, assumptions))
                    ~~~~~^^^^^^^^^^^^^^^^^^^^^^^
File "~/.venv/lib/python3.13/site-packages/sympy/core/relational.py", line 1394, in is_ge
  n2 = _n2(lhs, rhs)
File "~/.venv/lib/python3.13/site-packages/sympy/core/relational.py", line 1228, in _n2
  if a.is_comparable and b.is_comparable:
      ^^^^^^^^^^^^^^^
File "~/.venv/lib/python3.13/site-packages/sympy/core/basic.py", line 874, in is_comparable
  return self._eval_is_comparable()
          ~~~~~~~~~~~~~~~~~~~~~~~~^^
File "~/.venv/lib/python3.13/site-packages/sympy/core/expr.py", line 490, in _eval_is_comparable
  if not self.is_number:
          ^^^^^^^^^^^^^^
File "~/.venv/lib/python3.13/site-packages/sympy/core/expr.py", line 482, in is_number
  return all(obj.is_number for obj in self.args)
File "~/.venv/lib/python3.13/site-packages/sympy/core/expr.py", line 482, in <genexpr>
  return all(obj.is_number for obj in self.args)
              ^^^^^^^^^^^^^
File "~/.venv/lib/python3.13/site-packages/sympy/core/expr.py", line 482, in is_number
  return all(obj.is_number for obj in self.args)
                                      ^^^^^^^^^
RecursionError: maximum recursion depth exceeded

Version

v1.5.9

Operating System

macOS

Package Manager

None

Interface

IPython Terminal

Relevant log output

Extra Info

No response

[MilesCranmer]

Is this a sympy bug, perhaps? pysr2sympy is basically just a thin wrapper around sympy's sympify function