diff --git a/pystencils/data_types.py b/pystencils/data_types.py
index a4752b148afa43bff9ac39a999b5dc4ca33fd430..20eb94d6b83474bfab46dc491a05b3b1ed2191d9 100644
--- a/pystencils/data_types.py
+++ b/pystencils/data_types.py
@@ -236,6 +236,14 @@ class TypedSymbol(sp.Symbol):
     def __getnewargs__(self):
         return self.name, self.dtype
 
+    @property
+    def canonical(self):
+        return self
+
+    @property
+    def reversed(self):
+        return self
+
 
 def create_type(specification):
     """Creates a subclass of Type according to a string or an object of subclass Type.
diff --git a/pystencils/simp/assignment_collection.py b/pystencils/simp/assignment_collection.py
index fd5c827113ceb776defdcd8cb2ff95bddb293950..ce9f1c9fecaafb62a2f34789fdec5e7a02c537ef 100644
--- a/pystencils/simp/assignment_collection.py
+++ b/pystencils/simp/assignment_collection.py
@@ -111,6 +111,7 @@ class AssignmentCollection:
             "Not in SSA form - same symbol assigned multiple times"
         return bound_symbols_set
 
+    @property
     def free_fields(self):
         """All fields accessed in the assignment collection, which do not occur as left hand sides in any assignment."""
         return {s.field for s in self.free_symbols if hasattr(s, 'field')}
diff --git a/pystencils_tests/test_vectorization.py b/pystencils_tests/test_vectorization.py
index 1505c7543ee632d1a80a0405fef8e7080fc9bd22..1fa1812eb8fced19d114ef3cb32900ec9b93f995 100644
--- a/pystencils_tests/test_vectorization.py
+++ b/pystencils_tests/test_vectorization.py
@@ -46,6 +46,7 @@ def test_inplace_update():
     kernel(f=arr)
     np.testing.assert_equal(arr, 2)
 
+
 def test_vectorization_fixed_size():
     configurations = []
     # Fixed size - multiple of four