Corrected grave file condition error

warden3/contrib/connectors/hp-labrea/labrea-idea.py

@@ -45,21 +45,21 @@ class FileWatcher(object):
             self.open()
 
     def readline(self):
-        if self.f:
+        if not self.f:
             self.open()
-            if self.f:
+            if not self.f:
                 return ""
         res = self.f.readline()
         if not res:
             self._check_reopen()
-            if self.f:
+            if not self.f:
                 return ""
             res = self.f.readline()
         return res
 
     def close(self):
         try:
-            if self.f:
+            if not self.f:
                 self.f.close()
         except IOError:
             pass