refactor: @contract is completely gone

Author: nedbat

coverage/env.py

@@ -132,7 +132,7 @@ class PYBEHAVIOR:
 
 # Are we running our test suite?
 # Even when running tests, you can use COVERAGE_TESTING=0 to disable the
-# test-specific behavior like contracts.
+# test-specific behavior like AST checking.
 TESTING = os.getenv('COVERAGE_TESTING', '') == 'True'
 
 

coverage/misc.py

@@ -91,16 +91,6 @@ def import_third_party(modname):
             return None
 
 
-# We don't use PyContracts anymore, but the @contracts decorators will be
-# useful info when it comes time to add type annotations, so keep them as
-# dummies for now.
-def contract(*args_unused, **kwargs_unused):
-    """Dummy no-op implementation of a decorator with arguments."""
-    def _decorator(func):
-        return func
-    return _decorator
-
-
 def nice_pair(pair):
     """Make a nice string representation of a pair of numbers.
 

tests/test_venv.py

@@ -178,7 +178,7 @@ def in_venv_world_fixture(self, venv_world):
                 print(sum(colorsys.rgb_to_hls(1, 0, 0)))
                 """)
 
-            self.del_environ("COVERAGE_TESTING")    # To avoid needing contracts installed.
+            self.del_environ("COVERAGE_TESTING")    # To get realistic behavior
             self.set_environ("COVERAGE_DEBUG_FILE", "debug_out.txt")
             self.set_environ("COVERAGE_DEBUG", "trace")