Minor fixes

hypothesis-python/src/hypothesis/core.py

@@ -788,7 +788,7 @@ def run(data):
                                     test.__name__,
                                     args,
                                     kwargs,
-                                    force_split=True,
+                                    force_split=None,
                                     arg_slices=argslices,
                                     leading_comment=(
                                         "# " + context.data.slice_comments[(0, 0)]

hypothesis-python/src/hypothesis/internal/conjecture/utils.py

@@ -284,6 +284,7 @@ def biased_coin(
                 # (see https://bugs.python.org/issue2506), coverage incorrectly
                 # thinks that this condition is always true.  You can trivially
                 # check by adding `else: assert False` and running the tests.
+                # Note: Fixed in both CPython and PyPy 3.10, with PEP 626
                 data.draw_bits(bits, forced=int(result))
         break
     data.stop_example()

hypothesis-python/src/hypothesis/internal/reflection.py

@@ -335,10 +335,10 @@ def extract_lambda_source(f):
                 break
             except SyntaxError:
                 continue
-    if tree is None and source.startswith("@"):
-        # This will always eventually find a valid expression because
-        # the decorator must be a valid Python function call, so will
-        # eventually be syntactically valid and break out of the loop.
+    if tree is None and source and source[0] in ["@", "."]:
+        # This will always eventually find a valid expression because the
+        # decorator or chained operator must be a valid Python function call,
+        # so will eventually be syntactically valid and break out of the loop.
         # Thus, this loop can never terminate normally.
         for i in range(len(source) + 1):
             p = source[1:i]

hypothesis-python/src/hypothesis/strategies/_internal/collections.py

@@ -234,7 +234,7 @@ def not_yet_in_unique_list(val):
         while elements.more():
             value = filtered.do_filtered_draw(data)
             if value is filter_not_satisfied:
-                elements.reject("Aborted test because unable to satisfy {filtered!r}")
+                elements.reject(f"Aborted test because unable to satisfy {filtered!r}")
             else:
                 for key, seen in zip(self.keys, seen_sets):
                     seen.add(key(value))

hypothesis-python/src/hypothesis/strategies/_internal/featureflags.py

@@ -102,3 +102,6 @@ def __repr__(self):
 class FeatureStrategy(SearchStrategy):
     def do_draw(self, data):
         return FeatureFlags(data)
+
+    def __repr__(self):
+        return f"FeatureStrategy()"

hypothesis-python/src/hypothesis/strategies/_internal/strings.py

@@ -153,7 +153,7 @@ def __repr__(self):
     )
 
     def filter(self, condition):
-        if condition in (str.lower, str.title, str.upper):
+        if condition in self._nonempty_filters:
             warnings.warn(
                 f"You applied str.{condition.__name__} as a filter, but this allows "
                 f"all nonempty strings!  Did you mean str.is{condition.__name__}?",