diff --git a/core/dbt/exceptions.py b/core/dbt/exceptions.py
index 339c1c744bd..e9c3ad93402 100644
--- a/core/dbt/exceptions.py
+++ b/core/dbt/exceptions.py
@@ -486,7 +486,7 @@ def __init__(self, thread_id, known: List):
         self.thread_id = thread_id
         self.known = known
         super().__init__(
-            msg="connection never acquired for thread {self.thread_id}, have {self.known}"
+            msg=f"connection never acquired for thread {self.thread_id}, have {self.known}"
         )
 
 
diff --git a/tests/functional/compile/test_compile.py b/tests/functional/compile/test_compile.py
index 9f21c8d4538..86c747cde8f 100644
--- a/tests/functional/compile/test_compile.py
+++ b/tests/functional/compile/test_compile.py
@@ -49,9 +49,8 @@ def test_default(self, project):
         assert get_lines("first_model") == ["select 1 as fun"]
         assert any("_test_compile as schema" in line for line in get_lines("second_model"))
 
-    @pytest.mark.skip("Investigate flaky test #7179")
     def test_no_introspect(self, project):
-        with pytest.raises(DbtRuntimeError):
+        with pytest.raises(DbtRuntimeError, match="connection never acquired for thread"):
             run_dbt(["compile", "--no-introspect"])