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-rw-r--r--grc/blocks/options.block.yml1
1 files changed, 1 insertions, 0 deletions
diff --git a/grc/blocks/options.block.yml b/grc/blocks/options.block.yml
index dd8b697c57..dea1e40e45 100644
--- a/grc/blocks/options.block.yml
+++ b/grc/blocks/options.block.yml
@@ -135,6 +135,7 @@ templates:
imports: |-
from gnuradio import gr
from gnuradio.filter import firdes
+ from gnuradio.fft import window
import sys
import signal
% if generate_options == 'qt_gui':