diff --git a/src/command_line.py b/src/command_line.py
index 92b6c49..94fbbbd 100644
--- a/src/command_line.py
+++ b/src/command_line.py
@@ -250,7 +250,7 @@ command_line = CommandLine()
 def print_options():
   keys = options.keys()
   keys.sort()
-  import subprocess, threading
+  import subprocess
   for k in keys:
     description = options[k][1]
     p1 = subprocess.Popen(["fold", "-s", "-w", "40"],stdout=subprocess.PIPE,stdin=subprocess.PIPE)
diff --git a/src/create_man.py b/src/create_man.py
index 52f5816..cc8df59 100644
--- a/src/create_man.py
+++ b/src/create_man.py
@@ -139,14 +139,16 @@ def do_print_subroutines(sub):
 def run():
   import parsed_text
   import os,sys
-  if os.fork() == 0:
+  pid1 = os.fork()
+  if pid1 == 0:
     for v in variables.values():
       do_print(v)
     for s in subroutines.values():
       do_print_subroutines(s)
     sys.exit(0)
 
-  if os.fork() == 0:
+  pid2 = os.fork()
+  if pid2 == 0:
     tags = []
     l = variables.keys()
     file = open("irpf90_entities","w")
@@ -169,6 +171,9 @@ def run():
     file.close()
     sys.exit(0)
 
+  os.waitpid(pid1,0)
+  os.waitpid(pid2,0)
+
 ######################################################################
 if __name__ == '__main__':
   run()
diff --git a/src/util.py b/src/util.py
index 8511656..0c81577 100644
--- a/src/util.py
+++ b/src/util.py
@@ -100,7 +100,6 @@ def dimsize(x):
   buffer = x.split(':')
   if len(buffer) == 1:
     return x
-    buffer = map(strip,buffer)
   else:
     assert len(buffer) == 2
     size = ""