update docker-stacks, torchviz, dockerhub-image description

.build/fix-permissions

@@ -18,18 +18,18 @@
 set -e
 
 for d in "$@"; do
-  find "$d" \
-    ! \( \
-      -group $NB_GID \
-      -a -perm -g+rwX  \
-    \) \
-    -exec chgrp $NB_GID {} \; \
-    -exec chmod g+rwX {} \;
-  # setuid,setgid *on directories only*
-  find "$d" \
-    \( \
-        -type d \
-        -a ! -perm -6000  \
-    \) \
-    -exec chmod +6000 {} \;
+    find "$d" \
+        ! \( \
+            -group $NB_GID \
+            -a -perm -g+rwX  \
+        \) \
+        -exec chgrp $NB_GID {} \; \
+        -exec chmod g+rwX {} \;
+    # setuid, setgid *on directories only*
+    find "$d" \
+        \( \
+            -type d \
+            -a ! -perm -6000  \
+        \) \
+        -exec chmod +6000 {} \;
 done