Make Via a frozen dataclass. (#1882)

* Make Via a frozen dataclass. * Update changelog.
huawei-noah · Feb 23, 2023 · 15909df · 15909df
1 parent fc0f086
commit 15909df
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -17,6 +17,7 @@ Copy and pasting the git commit messages is __NOT__ enough.
 ### Deprecated
 ### Fixed
 - Ensured that `hiwayenv.reset` provides unique agent-mission sets per reset.
+- Fixed an issue where `sstudio.types.Via` was not hashable.
 ### Removed
 ### Security
 

diff --git a/smarts/sstudio/types.py b/smarts/sstudio/types.py
@@ -545,7 +545,7 @@ def to_edge(self, sumo_road_network) -> str:
         )
 
 
-@dataclass
+@dataclass(frozen=True)
 class Via:
     """A point on a road that an actor must pass through"""