Drop support for EOL Python 3.5

src/_pytest/assertion/rewrite.py

@@ -99,7 +99,7 @@ class AssertionRewritingHook(importlib.abc.MetaPathFinder, importlib.abc.Loader)
             spec is None
             # this is a namespace package (without `__init__.py`)
             # there's nothing to rewrite there
-            # python3.5 - python3.6: `namespace`
+            # python3.6: `namespace`
             # python3.7+: `None`
             or spec.origin == "namespace"
             or spec.origin is None
@@ -1005,7 +1005,7 @@ class AssertionRewriter(ast.NodeVisitor):
         return res, outer_expl
 
     def visit_Starred(self, starred: ast.Starred) -> Tuple[ast.Starred, str]:
-        # From Python 3.5, a Starred node can appear in a function call.
+        # A Starred node can appear in a function call.
         res, expl = self.visit(starred.value)
         new_starred = ast.Starred(res, starred.ctx)
         return new_starred, "*" + expl

src/_pytest/capture.py

@@ -497,9 +497,7 @@ class FDCapture(FDCaptureBinary):
 class CaptureResult(Generic[AnyStr]):
     """The result of :method:`CaptureFixture.readouterr`."""
 
-    # Can't use slots in Python<3.5.3 due to https://bugs.python.org/issue31272
-    if sys.version_info >= (3, 5, 3):
-        __slots__ = ("out", "err")
+    __slots__ = ("out", "err")
 
     def __init__(self, out: AnyStr, err: AnyStr) -> None:
         self.out: AnyStr = out

src/_pytest/python_api.py

@@ -443,7 +443,7 @@ def approx(expected, rel=None, abs=None, nan_ok: bool = False) -> ApproxBase:
       both ``a`` and ``b``, this test is symmetric (i.e.  neither ``a`` nor
       ``b`` is a "reference value").  You have to specify an absolute tolerance
       if you want to compare to ``0.0`` because there is no tolerance by
-      default.  Only available in python>=3.5.  `More information...`__
+      default.  `More information...`__
 
       __ https://docs.python.org/3/library/math.html#math.isclose