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-rw-r--r--lib/sqlalchemy/dialects/postgresql/base.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py
index e8e79b230..82c619c85 100644
--- a/lib/sqlalchemy/dialects/postgresql/base.py
+++ b/lib/sqlalchemy/dialects/postgresql/base.py
@@ -3491,7 +3491,7 @@ class PGDialect(default.DefaultDialect):
util.warn("Could not parse CHECK constraint text: %r" % src)
sqltext = ""
else:
- sqltext = re.sub(r'^\((.+)\)$', r'\1', m.group(1))
+ sqltext = re.sub(r"^\((.+)\)$", r"\1", m.group(1))
entry = {"name": name, "sqltext": sqltext}
if m and m.group(2):
entry["dialect_options"] = {"not_valid": True}