fixes

satella/coding/iterators.py

@@ -10,7 +10,7 @@ def exhaust(iterator: tp.Iterator):
     try:
         while True:
             next(iterator)
-    except (GeneratorExit, StopIteration):
+    except StopIteration:
         pass
 
 
@@ -42,7 +42,7 @@ class SelfClosingGenerator:
     def __next__(self):
         try:
             return next(self.generator)
-        except (StopIteration, GeneratorExit):
+        except StopIteration:
             self.stopped = True
             raise
 
@@ -51,15 +51,11 @@ class SelfClosingGenerator:
             try:
                 exhaust(self.generator)
             except TypeError:
-                pass
+                pass        # we got a generator-generating function as an argument
             self.stopped = True
-        raise GeneratorExit()
 
     def __del__(self):
-        try:
-            self.close()
-        except GeneratorExit:
-            pass
+        self.close()
 
 
 # noinspection PyPep8Naming

tests/test_coding/test_iterators.py

@@ -22,8 +22,8 @@ class TestIterators(unittest.TestCase):
                 yield i
             a['done'] = True
 
-        for i in SelfClosingGenerator(generator)():
-            if i == 2:
+        for a in SelfClosingGenerator(generator)():
+            if a == 2:
                 break
 
         self.assertTrue(a['done'])