diff --git a/op25/gr-op25_repeater/apps/p25_demodulator.py b/op25/gr-op25_repeater/apps/p25_demodulator.py
index b74e4aa..c83df6c 100644
--- a/op25/gr-op25_repeater/apps/p25_demodulator.py
+++ b/op25/gr-op25_repeater/apps/p25_demodulator.py
@@ -28,7 +28,7 @@ P25 C4FM/CQPSK demodulation block.
 
 import sys
 from gnuradio import gr, eng_notation
-from gnuradio import filter, analog, digital, blocks
+from gnuradio import filter, analog, digital, blocks, fft
 from gnuradio.eng_option import eng_option
 import op25
 import op25_repeater
diff --git a/op25/gr-op25_repeater/apps/tx/dv_tx.py b/op25/gr-op25_repeater/apps/tx/dv_tx.py
index b6e5516..a687127 100755
--- a/op25/gr-op25_repeater/apps/tx/dv_tx.py
+++ b/op25/gr-op25_repeater/apps/tx/dv_tx.py
@@ -26,7 +26,7 @@ import sys
 import os
 import math
 from gnuradio import gr, audio, eng_notation
-from gnuradio import filter, blocks, analog, digital
+from gnuradio import filter, blocks, analog, digital, fft
 from gnuradio.eng_option import eng_option
 from optparse import OptionParser
 
diff --git a/op25/gr-op25_repeater/apps/tx/multi_tx.py b/op25/gr-op25_repeater/apps/tx/multi_tx.py
index a0eaf0b..f0e4ba8 100755
--- a/op25/gr-op25_repeater/apps/tx/multi_tx.py
+++ b/op25/gr-op25_repeater/apps/tx/multi_tx.py
@@ -32,7 +32,7 @@ import os
 import math
 import json
 from gnuradio import gr, audio, eng_notation
-from gnuradio import filter, blocks, analog, digital
+from gnuradio import filter, blocks, analog, digital, fft
 from gnuradio.eng_option import eng_option
 from optparse import OptionParser
 
diff --git a/op25/gr-op25_repeater/apps/tx/op25_tx.py b/op25/gr-op25_repeater/apps/tx/op25_tx.py
index 3e7afe4..4f07e9e 100755
--- a/op25/gr-op25_repeater/apps/tx/op25_tx.py
+++ b/op25/gr-op25_repeater/apps/tx/op25_tx.py
@@ -41,7 +41,7 @@ running this script when using method B.
 """
 
 from gnuradio import gr, eng_notation, blocks, digital
-from gnuradio import audio, filter, analog
+from gnuradio import audio, filter, analog, fft
 from gnuradio.eng_option import eng_option
 from optparse import OptionParser
 from usrpm import usrp_dbid
diff --git a/op25/gr-op25_repeater/apps/util/cqpsk-demod-file.py b/op25/gr-op25_repeater/apps/util/cqpsk-demod-file.py
index 09d5f38..b26a870 100755
--- a/op25/gr-op25_repeater/apps/util/cqpsk-demod-file.py
+++ b/op25/gr-op25_repeater/apps/util/cqpsk-demod-file.py
@@ -17,7 +17,7 @@ import sys
 import os
 import math
 from gnuradio import gr, audio, eng_notation
-from gnuradio import filter, blocks, analog, digital
+from gnuradio import filter, blocks, analog, digital, fft
 from gnuradio.eng_option import eng_option
 from optparse import OptionParser