diff --git a/pyproject.toml b/pyproject.toml
index 8256c50..b0e42fb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "danom"
-version = "0.13.0"
+version = "0.13.1"
 description = "Functional streams and monads"
 readme = "README.md"
 license = "MIT"
@@ -47,9 +47,6 @@ show_missing = true
 skip_covered = true
 fail_under = 95
 
-[project.entry-points.pytest11]
-papertrail = "papertrail.__main__"
-
 [tool.pytest]
 # addopts = ["--codspeed"]
 
diff --git a/src/danom/_new_type.py b/src/danom/_new_type.py
index 5d623e7..18ce029 100644
--- a/src/danom/_new_type.py
+++ b/src/danom/_new_type.py
@@ -47,7 +47,7 @@ def new_type(  # noqa: ANN202
         from danom import new_type
 
         def has_len(email: str) -> bool:
-        return len(email) > 0
+            return len(email) > 0
 
         Email = new_type("Email", str, validators=[has_len])
         Email("some_email@domain.com").upper() == "SOME_EMAIL@DOMAIN.COM"
diff --git a/src/danom/_result.py b/src/danom/_result.py
index b1f186b..ed303c3 100644
--- a/src/danom/_result.py
+++ b/src/danom/_result.py
@@ -161,7 +161,7 @@ def result_unwrap(result: Result[T_co, E_co]) -> T_co:
 
         .. code-block:: python
 
-            from danom import Stream, Result
+            from danom import Err, Ok, Stream, Result
 
             oks, errs = Stream.from_iterable([Ok(1), Ok(2), Err()]).partition(Result.result_is_ok)
             oks.map(Result.result_unwrap).collect == (1, 2)
diff --git a/uv.lock b/uv.lock
index 338db63..c6778d9 100644
--- a/uv.lock
+++ b/uv.lock
@@ -343,7 +343,7 @@ wheels = [
 
 [[package]]
 name = "danom"
-version = "0.13.0"
+version = "0.13.1"
 source = { editable = "." }
 dependencies = [
     { name = "attrs" },