[Commit-gnuradio] [gnuradio] 02/03: runtime: fix default forecast implementation for python blocks

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jcorgan pushed a commit to branch maint
in repository gnuradio.

commit 76772e98ce627319238a2a74cb9c02f971877c98
Author: Sebastian Koslowski <address@hidden>
Date:   Fri Jul 10 11:42:55 2015 +0200

    runtime: fix default forecast implementation for python blocks
---
 gnuradio-runtime/python/gnuradio/gr/gateway.py | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/gnuradio-runtime/python/gnuradio/gr/gateway.py 
b/gnuradio-runtime/python/gnuradio/gr/gateway.py
index 4ff0c4f..2a27b8a 100644
--- a/gnuradio-runtime/python/gnuradio/gr/gateway.py
+++ b/gnuradio-runtime/python/gnuradio/gr/gateway.py
@@ -177,9 +177,8 @@ class gateway_block(object):
         forecast is only called from a general block
         this is the default implementation
         """
-        for ninput_item in ninput_items_required:
-            ninput_item = noutput_items + self.history() - 1;
-        return
+        for i in range(len(ninput_items_required)):
+            ninput_items_required[i] = noutput_items + self.history() - 1
 
     def general_work(self, *args, **kwargs):
         """general work to be overloaded in a derived class"""
@@ -189,8 +188,11 @@ class gateway_block(object):
         """work to be overloaded in a derived class"""
         raise NotImplementedError("work not implemented")
 
-    def start(self): return True
-    def stop(self): return True
+    def start(self):
+        return True
+
+    def stop(self):
+        return True
 
     def set_msg_handler(self, which_port, handler_func):
         handler = msg_handler()