Fix import

Author: nicoddemus

src/_pytest/python_api.py

@@ -541,12 +541,11 @@ def __repr__(self) -> str:
         else:
             abs_ = self.abs
 
+        tol_str = "???"
         if rel is not None and Decimal("1e-3") <= rel <= Decimal("1e3"):
             tol_str = f"{rel:.1e}"
         elif abs_ is not None:
             tol_str = f"{abs_:.1e}"
-        else:
-            tol_str = "???"
 
         return f"{self.expected} ± {tol_str}"
 

testing/python/approx.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 from contextlib import contextmanager
+import decimal
 from decimal import Decimal
 from fractions import Fraction
 from math import sqrt