Update docs, fix failing test

dosisod · Nov 21, 2023 · aab9676 · aab9676
1 parent 0c22af3
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diff --git a/docs/checks.md b/docs/checks.md
@@ -2159,4 +2159,25 @@ Good:
 from hashlib import sha512
 
 h = sha512(b"data")
+```
+
+## FURB183: `use-str-func`
+
+Categories: `readability`
+
+If you want to stringify a single value without concatenating anything, use
+the `str()` function instead.
+
+Bad:
+
+```python
+nums = [123, 456]
+num = f"{num[0]}")
+```
+
+Good:
+
+```python
+nums = [123, 456]
+num = str(num[0])
 ```
diff --git a/refurb/checks/readability/use_str_func.py b/refurb/checks/readability/use_str_func.py
@@ -3,8 +3,8 @@
 from mypy.nodes import CallExpr, ListExpr, MemberExpr, NameExpr, StrExpr
 
 from refurb.checks.common import stringify
-from refurb.error import Error
 from refurb.checks.string.use_fstring_fmt import CONVERSIONS as FURB_119_FUNCS
+from refurb.error import Error
 
 
 @dataclass