diff env/lib/python3.7/site-packages/lxml/html/_setmixin.py @ 5:9b1c78e6ba9c draft default tip

"planemo upload commit 6c0a8142489327ece472c84e558c47da711a9142"

--- a/env/lib/python3.7/site-packages/lxml/html/_setmixin.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,56 +0,0 @@
-try:
-    from collections.abc import MutableSet
-except ImportError:
-    from collections import MutableSet
-
-
-class SetMixin(MutableSet):
-
-    """
-    Mix-in for sets.  You must define __iter__, add, remove
-    """
-
-    def __len__(self):
-        length = 0
-        for item in self:
-            length += 1
-        return length
-
-    def __contains__(self, item):
-        for has_item in self:
-            if item == has_item:
-                return True
-        return False
-
-    issubset = MutableSet.__le__
-    issuperset = MutableSet.__ge__
-
-    union = MutableSet.__or__
-    intersection = MutableSet.__and__
-    difference = MutableSet.__sub__
-    symmetric_difference = MutableSet.__xor__
-
-    def copy(self):
-        return set(self)
-
-    def update(self, other):
-        self |= other
-
-    def intersection_update(self, other):
-        self &= other
-
-    def difference_update(self, other):
-        self -= other
-
-    def symmetric_difference_update(self, other):
-        self ^= other
-
-    def discard(self, item):
-        try:
-            self.remove(item)
-        except KeyError:
-            pass
-
-    @classmethod
-    def _from_iterable(cls, it):
-        return set(it)