Move the iteration inside the try branch, which makes the quickstart redundant

1 files changed, 3 insertions, 20 deletions

diff --git a/astroid/inference.py b/astroid/inference.py
index b7602ba0..8867e211 100644
--- a/astroid/inference.py
+++ b/astroid/inference.py
@@ -611,22 +611,6 @@ def _get_aug_flow(left, left_type, aug_opnode, right, right_type,
     return methods
 
 
-def quickstart(func):
-    """
-    Run a generator enough to get the first value, and then buffer that value.
-    This will raise any exceptions that happen during the generator startup
-    when func is called, rather than when it is used.
-    """
-    @functools.wraps(func)
-    def wrapper(*args, **kwargs):
-        result_generator = func(*args, **kwargs)
-        first_value = next(result_generator)
-
-        return itertools.chain([first_value], result_generator)
-    return wrapper
-
-
-@quickstart
 def _infer_binary_operation(left, right, binary_opnode, context, flow_factory):
     """Infer a binary operation between a left operand and a right operand
 
@@ -700,12 +684,11 @@ def _infer_binop(self, context):
                 return
 
             try:
-                results = _infer_binary_operation(lhs, rhs, self, context, _get_binop_flow)
+                for result in _infer_binary_operation(lhs, rhs, self,
+                                                      context, _get_binop_flow):
+                    yield result
             except exceptions._NonDeducibleTypeHierarchy:
                 yield util.Uninferable
-            else:
-                for result in results:
-                    yield result
 
 
 @decorators.yes_if_nothing_inferred