private/store_vars_in_python: Fixes regression...

...caused by cd263b3. Closes gnu-octave#1151. * inst/private/store_vars_in_python.m: Update it. * inst/pycall_sympy__.m: Add test accordingly.
alexvong243f · Jun 25, 2022 · aba48eb · aba48eb
1 parent 280ad32
commit aba48eb
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diff --git a/inst/private/store_vars_in_python.m b/inst/private/store_vars_in_python.m
@@ -26,7 +26,7 @@
       var_pyobj.append (pyeval (sympy (x)))
     elseif (iscell (x))
       var_pyobj.append (store_vars_in_python (x))
-    elseif (isequal (x, []))
+    elseif (isnumeric (x) && isequal (x, [])) % See #1151 for more details
       var_pyobj.append (py.list ());
     else
       var_pyobj.append(x);

diff --git a/inst/pycall_sympy__.m b/inst/pycall_sympy__.m
@@ -481,3 +481,7 @@
 %! % ensure the 0x0 matrix in octave gets mapped to the empty list in python
 %! % @sym/subsasgn currently replies on this behaviour
 %! assert (pycall_sympy__ ('return _ins[0] == []', []));
+
+%!test
+%! % ensure the empty string gets mapped to the empty string in python
+%! assert (pycall_sympy__ ('return _ins[0] == ""', ''));