Fix --source flag (#536)

ruro · web-flow · commit 6a4fed9c8fa7 · 2021-05-17T20:58:55.000+01:00
* fix --source

* update release_notes.rst
diff --git a/docs/release_notes.rst b/docs/release_notes.rst
@@ -8,6 +8,9 @@ Release Notes
 Current Development Version
 ---------------------------
 
+Bug Fixes
+
+* Split ``--source`` by lines instead of by characters (#536).
 
 6.1.0 - May 17th, 2021
 ---------------------------
diff --git a/src/pydocstyle/violations.py b/src/pydocstyle/violations.py
@@ -63,7 +63,7 @@ def lines(self) -> str:
         if self.definition is None:
             return ''
         source = ''
-        lines = self.definition.source
+        lines = self.definition.source.splitlines(keepends=True)
         offset = self.definition.start  # type: ignore
         lines_stripped = list(
             reversed(list(dropwhile(is_blank, reversed(lines))))
