From db5fdf02d7e876ae3bd690ab85c032ebf9b46d26 Mon Sep 17 00:00:00 2001
From: Miranda Mundt <mmundt@sandia.gov>
Date: Fri, 16 Feb 2024 14:53:59 -0700
Subject: [PATCH] Fix import; apply black

---
 pyomo/core/expr/numvalue.py    | 1 +
 pyomo/core/util.py             | 5 +----
 pyomo/opt/results/container.py | 1 +
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/pyomo/core/expr/numvalue.py b/pyomo/core/expr/numvalue.py
index f3ea76c305c..3a4359af2f9 100644
--- a/pyomo/core/expr/numvalue.py
+++ b/pyomo/core/expr/numvalue.py
@@ -32,6 +32,7 @@
     check_if_numeric_type,
     value,
 )
+from pyomo.core.pyomoobject import PyomoObject
 
 relocated_module_attribute(
     'native_boolean_types',
diff --git a/pyomo/core/util.py b/pyomo/core/util.py
index e4a70aea05a..f337b487cef 100644
--- a/pyomo/core/util.py
+++ b/pyomo/core/util.py
@@ -15,10 +15,7 @@
 
 from pyomo.common.deprecation import deprecation_warning
 from pyomo.core.expr.numvalue import native_numeric_types
-from pyomo.core.expr.numeric_expr import (
-    mutable_expression,
-    NPV_SumExpression,
-)
+from pyomo.core.expr.numeric_expr import mutable_expression, NPV_SumExpression
 from pyomo.core.base.var import Var
 from pyomo.core.base.expression import Expression
 from pyomo.core.base.component import _ComponentBase
diff --git a/pyomo/opt/results/container.py b/pyomo/opt/results/container.py
index ec4cb3c1c53..4bbaf44edf7 100644
--- a/pyomo/opt/results/container.py
+++ b/pyomo/opt/results/container.py
@@ -16,6 +16,7 @@
 
 from pyomo.common.collections import Bunch
 
+
 class ScalarType(str, enum.Enum):
     int = 'int'
     time = 'time'