Fix f-less f-strings

pytensor/configparser.py

@@ -533,10 +533,9 @@ class DeviceParam(ConfigParam):
             )
         elif val == self.default:
             return val
-        else:
         raise ValueError(
-                'Invalid value ("{val}") for configuration '
-                'variable "{self.name}". Valid options start with '
+            f'Invalid value ("{val}") for configuration '
+            f'variable "{self.name}". Valid options start with '
             'one of "cpu".'
         )
 

pytensor/link/numba/dispatch/slinalg.py

@@ -148,7 +148,7 @@ def _check_scipy_linalg_matrix(a, func_name):
         )
         raise numba.TypingError(msg, highlighting=False)
     if not isinstance(a.dtype, types.Float | types.Complex):
-        msg = "{prefix}.{func_name}() only supported on float and complex arrays."
+        msg = f"{prefix}.{func_name}() only supported on float and complex arrays."
         raise numba.TypingError(msg, highlighting=False)
 
 

pytensor/tensor/math.py

@@ -1951,7 +1951,7 @@ def _tensordot_as_dot(a, b, axes, dot, batched):
     if not np.isscalar(axes) and len(axes) != 2:
         raise ValueError(
             "Axes should be an integer or a "
-            "list/tuple of len 2 ({axes} was provided)"
+            f"list/tuple of len 2 ({axes} was provided)"
         )
 
     # if 'axes' is a number of axes to multiply and sum over (trailing axes