Skip to content

RuntimeError: dictionary changed size during iteration #2

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
antoniosarosi wants to merge 1 commit into
base: master
Choose a base branch
from
Open

RuntimeError: dictionary changed size during iteration #2

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 6 additions & 1 deletion src/algoritmia/datastructures/digraphs/weightingfunction.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,11 +11,16 @@ class WeightingFunction(IMap, Callable): #[weighting
self._map = self.createMap(data)
self.symmetrical = symmetrical
if symmetrical:
duplicates = set()
for (u, v) in self._map.keys():
if (v, u) in self._map:
if self._map[u, v] != self._map[v, u]:
raise ValueError("{!r} is different from {!r}".format((u,v), (v,u)))
if v != u: del self._map[v, u]
if v != u and (u, v) not in duplicates:
duplicates.add((v, u))

for dup in duplicates:
self._map.pop(dup)

def __contains__(self, key: "(T, T)") -> "bool":
return key in self._map
Expand Down