Always overwrite with Meta.parseall version

pysr/julia_import.py

@@ -58,18 +58,16 @@ elif os.environ["PYSR_AUTOLOAD_EXTENSIONS"] not in {"no", "yes", ""}:
 
 from juliacall import Main as jl  # type: ignore
 
-
 # Finally, overwrite the seval function to use Meta.parseall
 # instead of Meta.parse.
-# TODO: Overwrite this once PythonCall.jl is updated:
-def seval(s: str):
-    return jl.eval(jl.Meta.parseall(s))
-
-
-try:
-    jl.seval = seval
-except:
-    pass
+jl.seval("using PythonCall: PythonCall, Py, pyconvert")
+jl.seval(
+    """function PythonCall.pyjlmodule_seval(self::Module, expr::Py)
+    e = Meta.parseall(strip(pyconvert(String, expr)))
+    Py(Base.eval(self, e))
+end"""
+)
+# ^TODO: Overwrite this once PythonCall.jl is updated:
 
 jl.seval("using SymbolicRegression")
 SymbolicRegression = jl.SymbolicRegression

pysr/test/test.py

@@ -100,17 +100,16 @@ class TestPipeline(unittest.TestCase):
         self.assertEqual(model.julia_options_.turbo, True)
 
     def test_multiline_seval(self):
-        if jl.seval('VERSION >= v"1.9.0-DEV.0"'):
-            # The user should be able to run multiple things in a single seval call:
-            num = jl.seval(
-                """
-                function my_new_objective(x)
-                    x^2
-                end
-                1.5
+        # The user should be able to run multiple things in a single seval call:
+        num = jl.seval(
             """
-            )
-            self.assertEqual(num, 1.5)
+            function my_new_objective(x)
+                x^2
+            end
+            1.5
+        """
+        )
+        self.assertEqual(num, 1.5)
 
     def test_high_precision_search_custom_loss(self):
         y = 1.23456789 * self.X[:, 0]