diff --git a/nyud-fcn32s-color-d/solve.py b/nyud-fcn32s-color-d/solve.py
index 30e47a500dc7d7816ba2a781e6330ef45cc3654f..dbb1188cb411631691508f64eba2c2a03af0cdec 100644
--- a/nyud-fcn32s-color-d/solve.py
+++ b/nyud-fcn32s-color-d/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/nyud-fcn32s-color-hha/solve.py b/nyud-fcn32s-color-hha/solve.py
index 7cd6c40ff42298361ba67d35c91ff0f7ad5e5534..3c8a9f6c3ddbf3870a7235a3337756e600cc49e0 100644
--- a/nyud-fcn32s-color-hha/solve.py
+++ b/nyud-fcn32s-color-hha/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/nyud-fcn32s-color/solve.py b/nyud-fcn32s-color/solve.py
index fe6b35a2d78f59f5e291bf95fd6c8c52027ef281..28ba9c0e63e0ce2e38ed74105a2df289d2caf1c4 100644
--- a/nyud-fcn32s-color/solve.py
+++ b/nyud-fcn32s-color/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/nyud-fcn32s-hha/solve.py b/nyud-fcn32s-hha/solve.py
index fe6b35a2d78f59f5e291bf95fd6c8c52027ef281..28ba9c0e63e0ce2e38ed74105a2df289d2caf1c4 100644
--- a/nyud-fcn32s-hha/solve.py
+++ b/nyud-fcn32s-hha/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/pascalcontext-fcn16s/solve.py b/pascalcontext-fcn16s/solve.py
index 0c0105d0785ead987009a8edd2a0fb5dbbfe581e..47b73f9498f8b694804e383e6703e6a6f9b40113 100644
--- a/pascalcontext-fcn16s/solve.py
+++ b/pascalcontext-fcn16s/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/pascalcontext-fcn32s/solve.py b/pascalcontext-fcn32s/solve.py
index b5844f7d102f3b9f35695e90359b2be1b7fca33c..63be5858b128de9e507ea6a0d71f211ab6bead19 100644
--- a/pascalcontext-fcn32s/solve.py
+++ b/pascalcontext-fcn32s/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/pascalcontext-fcn8s/solve.py b/pascalcontext-fcn8s/solve.py
index d654709f8a3949f3c839964ec4db1e8965321214..f361615918d172747d0ff2005cd96a9dfe38a5a8 100644
--- a/pascalcontext-fcn8s/solve.py
+++ b/pascalcontext-fcn8s/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/siftflow-fcn16s/solve.py b/siftflow-fcn16s/solve.py
index 36a679f1cd858e81d9ee360976c7fe43e757e640..dafde06a2e83029dfd29f2b181a68aa25558d678 100644
--- a/siftflow-fcn16s/solve.py
+++ b/siftflow-fcn16s/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/siftflow-fcn32s/solve.py b/siftflow-fcn32s/solve.py
index 3e3f582e1b2f76c616697ac75e9c3f8ee959bf32..027e059b8dfd126e104bc3d39090bf4b2356a148 100644
--- a/siftflow-fcn32s/solve.py
+++ b/siftflow-fcn32s/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/siftflow-fcn8s/solve.py b/siftflow-fcn8s/solve.py
index 8de67e14e080faae4d75f3a856058a6ded2e8f5d..e49887302907f1bacb053efb3c31b1272903e897 100644
--- a/siftflow-fcn8s/solve.py
+++ b/siftflow-fcn8s/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/voc-fcn-alexnet/solve.py b/voc-fcn-alexnet/solve.py
index de526e3ee974106370ec7161d72d2f28993f0295..e4f7096423a54a309cfcd505d19cef7297d58721 100644
--- a/voc-fcn-alexnet/solve.py
+++ b/voc-fcn-alexnet/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/voc-fcn16s/solve.py b/voc-fcn16s/solve.py
index 682827fbb8e5d8b4ad5e9f0eef4d806009ddd151..ca8b96e114c691aceafc85797b619aec015ebddd 100644
--- a/voc-fcn16s/solve.py
+++ b/voc-fcn16s/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/voc-fcn32s/solve.py b/voc-fcn32s/solve.py
index 85cf98e3b0ef0ab81b1aa9fb98bdef472214ab5e..3c81d109e3f778502c25afa73c10318ba202bfbd 100644
--- a/voc-fcn32s/solve.py
+++ b/voc-fcn32s/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/voc-fcn8s-atonce/solve.py b/voc-fcn8s-atonce/solve.py
index 7c4716b4196a08c52398e19da85733388dcc4fc1..eb536a0e6faab51a4303ef4d7de0af8afd853fc6 100644
--- a/voc-fcn8s-atonce/solve.py
+++ b/voc-fcn8s-atonce/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))
diff --git a/voc-fcn8s/solve.py b/voc-fcn8s/solve.py
index b18e9114d08437113197c8668984eec5ede8c8ce..6a7db76fcfc84636faac78181a37a7a426c4c650 100644
--- a/voc-fcn8s/solve.py
+++ b/voc-fcn8s/solve.py
@@ -3,6 +3,7 @@ import surgery, score
 
 import numpy as np
 import os
+import sys
 
 import setproctitle
 setproctitle.setproctitle(os.path.basename(os.getcwd()))