diff --git a/src/clp_ffi_py/ir/native/PyDecoderBuffer.hpp b/src/clp_ffi_py/ir/native/PyDecoderBuffer.hpp
index f1c21a8e..55996825 100644
--- a/src/clp_ffi_py/ir/native/PyDecoderBuffer.hpp
+++ b/src/clp_ffi_py/ir/native/PyDecoderBuffer.hpp
@@ -38,9 +38,10 @@ class PyDecoderBuffer {
      * @return false on failure with the relevant Python exception and error
      * set.
      */
-    [[nodiscard]] auto
-    init(PyObject* input_stream, Py_ssize_t buf_capacity = PyDecoderBuffer::cDefaultInitialCapacity)
-            -> bool;
+    [[nodiscard]] auto init(
+            PyObject* input_stream,
+            Py_ssize_t buf_capacity = PyDecoderBuffer::cDefaultInitialCapacity
+    ) -> bool;
 
     /**
      * Zero-initializes all the data members in PyDecoderBuffer. Should be
diff --git a/src/clp_ffi_py/ir/native/PyMetadata.hpp b/src/clp_ffi_py/ir/native/PyMetadata.hpp
index ba31ee7f..010b9462 100644
--- a/src/clp_ffi_py/ir/native/PyMetadata.hpp
+++ b/src/clp_ffi_py/ir/native/PyMetadata.hpp
@@ -45,8 +45,8 @@ class PyMetadata {
      * @return false on failure with the relevant Python exception and error
      * set.
      */
-    [[nodiscard]] auto init(nlohmann::json const& metadata, bool is_four_byte_encoding = true)
-            -> bool;
+    [[nodiscard]] auto
+    init(nlohmann::json const& metadata, bool is_four_byte_encoding = true) -> bool;
 
     /**
      * Releases the memory allocated for underlying metadata field and the
diff --git a/tests/test_ir/test_utils.py b/tests/test_ir/test_utils.py
index 2f6808f1..5cf2d21f 100644
--- a/tests/test_ir/test_utils.py
+++ b/tests/test_ir/test_utils.py
@@ -102,8 +102,7 @@ def _check_metadata(
             is_the_same_tz,
             True,
             f"Timezone does not match timezone id. Timezone ID: {timezone_id}, Timezone:"
-            f' {str(timezone)}"\n'
-            + extra_test_info,
+            f' {str(timezone)}"\n' + extra_test_info,
         )
 
     def _check_log_event(