7 files changed, 2 insertions, 8 deletions
diff --git a/src/act4e_solutions/maps_representation.py b/src/act4e_solutions/maps_representation.py
index 45c816e..f532658 100644
--- a/src/act4e_solutions/maps_representation.py
+++ b/src/act4e_solutions/maps_representation.py
@@ -1,14 +1,12 @@
 from typing import Any, TypeVar
 
 import act4e_interfaces as I
- 
 
 A = TypeVar("A")
 B = TypeVar("B")
 
 
 class SolFiniteMapRepresentation(I.FiniteMapRepresentation):
-
     def load(self, h: I.IOHelper, s: I.FiniteMap_desc) -> I.FiniteMap[A, B]:
         raise NotImplementedError()
 
diff --git a/src/act4e_solutions/posets_bounds.py b/src/act4e_solutions/posets_bounds.py
index eef9c96..99147cd 100644
--- a/src/act4e_solutions/posets_bounds.py
+++ b/src/act4e_solutions/posets_bounds.py
@@ -35,7 +35,6 @@ class SolFinitePosetSubsetProperties(I.FinitePosetSubsetProperties):
 
 
 class SolFinitePosetSubsetProperties2(I.FinitePosetSubsetProperties2):
-
     def is_lower_set(self, fp: I.FinitePoset[X], s: List[X]) -> bool:
         raise NotImplementedError()
 
diff --git a/src/act4e_solutions/posets_representation.py b/src/act4e_solutions/posets_representation.py
index d7b2991..c43da82 100644
--- a/src/act4e_solutions/posets_representation.py
+++ b/src/act4e_solutions/posets_representation.py
@@ -4,7 +4,6 @@ import act4e_interfaces as I
 
 
 class SolFinitePosetRepresentation(I.FinitePosetRepresentation):
-
     def load(self, h: I.IOHelper, s: I.FinitePoset_desc) -> I.FinitePoset[Any]:
         raise NotImplementedError()
 
diff --git a/src/act4e_solutions/relations_representation.py b/src/act4e_solutions/relations_representation.py
index 8dbde1c..69ccdf0 100644
--- a/src/act4e_solutions/relations_representation.py
+++ b/src/act4e_solutions/relations_representation.py
@@ -7,7 +7,6 @@ B = TypeVar("B")
 
 
 class SolFiniteRelationRepresentation(I.FiniteRelationRepresentation):
-
     def load(self, h: I.IOHelper, data: I.FiniteRelation_desc) -> I.FiniteRelation[A, B]:
         raise NotImplementedError()
 
diff --git a/src/act4e_solutions/semigroups_representation.py b/src/act4e_solutions/semigroups_representation.py
index 23e2ba1..4d75708 100644
--- a/src/act4e_solutions/semigroups_representation.py
+++ b/src/act4e_solutions/semigroups_representation.py
@@ -6,7 +6,6 @@ X = TypeVar("X")
 
 
 class SolFiniteSemigroupRepresentation(I.FiniteSemigroupRepresentation):
-
     def load(self, h: I.IOHelper, s: I.FiniteSemigroup_desc) -> I.FiniteSemigroup[Any]:
         raise NotImplementedError()
 
diff --git a/src/act4e_solutions/sets_properties.py b/src/act4e_solutions/sets_properties.py
index 1a2ab88..cca6de9 100644
--- a/src/act4e_solutions/sets_properties.py
+++ b/src/act4e_solutions/sets_properties.py
@@ -1,7 +1,7 @@
 from typing import Any, overload, Sequence, TypeVar
 
 import act4e_interfaces as I
- 
+
 X = TypeVar("X")
 
 
diff --git a/src/act4e_solutions/sets_representation.py b/src/act4e_solutions/sets_representation.py
index 10d89c9..7f3e818 100644
--- a/src/act4e_solutions/sets_representation.py
+++ b/src/act4e_solutions/sets_representation.py
@@ -1,7 +1,7 @@
 from typing import Any
 
 import act4e_interfaces as I
- 
+
 
 class SolFiniteSetRepresentation(I.FiniteSetRepresentation):
     def load(self, h: I.IOHelper, data: I.FiniteSet_desc) -> I.FiniteSet[Any]: