diff --git a/nix/build-all.py b/nix/build-all.py
index 0d3b6b4b43..1b99b7bb51 100644
--- a/nix/build-all.py
+++ b/nix/build-all.py
@@ -573,7 +573,7 @@ def build_dependency(
             )
         except Exception as e:
             print("-" * 70)
-            print(open(os.path.join(extract_dir, 'hdf5.log')))
+            print(open(os.path.join(extract_dir, "hdf5.log")))
             print("-" * 70)
             raise e
         run([tar, "-xf", kwargs["ctest_result"] + ".tar.gz"], cwd=os.path.join(extract_dir, "build"))
diff --git a/src/ifcopenshell-python/ifcopenshell/validate.py b/src/ifcopenshell-python/ifcopenshell/validate.py
index cc70e85374..6cfd7d3fb4 100644
--- a/src/ifcopenshell-python/ifcopenshell/validate.py
+++ b/src/ifcopenshell-python/ifcopenshell/validate.py
@@ -362,9 +362,7 @@ def log_internal_cpp_errors(
                             l.decode("ascii", errors="ignore").strip()
                             for l in lines
                             if l.strip().startswith(f"#{instid[0]}".encode("ascii"))
-                            and re.sub(r"\s+".encode("ascii"), b"", l).startswith(
-                                f"#{instid[0]}=".encode("ascii")
-                            )
+                            and re.sub(r"\s+".encode("ascii"), b"", l).startswith(f"#{instid[0]}=".encode("ascii"))
                         ),
                         None,
                     )