Added enumerable order & added array & removed collection

src/cpl-query/cpl/query/enumerable.py

@@ -167,6 +167,7 @@ class Enumerable(Generic[T]):
 
     def to_list(self) -> "List[T]":
         from cpl.query.list import List
+
         return List(self)
 
     def to_set(self) -> "Set[T]":
@@ -191,10 +192,12 @@ class Enumerable(Generic[T]):
 
     def order_by(self, key_selector: Callable[[T], K]) -> "OrderedEnumerable[T]":
         from cpl.query.ordered_enumerable import OrderedEnumerable
+
         return OrderedEnumerable(self._source, [(key_selector, False)])
 
     def order_by_descending(self, key_selector: Callable[[T], K]) -> "OrderedEnumerable[T]":
         from cpl.query.ordered_enumerable import OrderedEnumerable
+
         return OrderedEnumerable(self._source, [(key_selector, True)])
 
     @staticmethod

src/cpl-query/cpl/query/immutable_set.py

@@ -43,4 +43,5 @@ class ImmutableSet(Generic[T], Enumerable[T]):
 
     def to_enumerable(self) -> "Enumerable[T]":
         from cpl.query.enumerable import Enumerable
-        return Enumerable(self._source)
+
+        return Enumerable(self._source)

src/cpl-query/cpl/query/protocol/__init__.py

@@ -0,0 +1 @@
+from .sequence import Sequence

src/cpl-query/cpl/query/set.py

@@ -24,4 +24,5 @@ class Set(Generic[T], ImmutableSet[T]):
 
     def to_enumerable(self) -> "Enumerable[T]":
         from cpl.query.enumerable import Enumerable
-        return Enumerable(self._source)
+
+        return Enumerable(self._source)