diff --git a/python/damask/_crystal.py b/python/damask/_crystal.py
index 714427e24..e754a65f8 100644
--- a/python/damask/_crystal.py
+++ b/python/damask/_crystal.py
@@ -547,7 +547,7 @@ class Crystal():
 
 
     def __eq__(self,
-               other):
+               other: object) -> bool:
         """
         Return self==other.
 
@@ -562,7 +562,7 @@ class Crystal():
         return (NotImplemented if not isinstance(other, Crystal) else
                 self.lattice == other.lattice and
                 self.parameters == other.parameters and
-                self.family == other.family)
+                self.family == other.family)                                                        # type: ignore
 
     @property
     def parameters(self) -> Optional[Tuple]:
diff --git a/python/damask/_orientation.py b/python/damask/_orientation.py
index ca757166a..b28ba2aae 100644
--- a/python/damask/_orientation.py
+++ b/python/damask/_orientation.py
@@ -122,7 +122,7 @@ class Orientation(Rotation,Crystal):
 
 
     def __eq__(self,
-               other: Union[object,MyType]) -> bool:
+               other: object) -> bool:
         """
         Return self==other.
 
diff --git a/python/damask/_table.py b/python/damask/_table.py
index ac19f761a..9608f0d13 100644
--- a/python/damask/_table.py
+++ b/python/damask/_table.py
@@ -57,6 +57,11 @@ class Table:
 
         Test equality of other.
 
+        Parameters
+        ----------
+        other : Table
+            Table to check for equality.
+
         """
         return NotImplemented if not isinstance(other,Table) else \
                self.shapes == other.shapes and self.data.equals(other.data)