Don't print waiting for the lock the first time.

theano/gof/compilelock.py

@@ -165,8 +165,12 @@ def lock(tmp_dir, timeout=120, min_wait=5, max_wait=10, verbosity=1):
     my_pid = os.getpid()
     no_display = (verbosity == 0)
 
-    # Acquire lock.
     nb_error = 0
+    # The number of time we sleep when their is no errors.
+    # Used to don't display it the first time to display it less frequently.
+    # And so don't get as much email about this!
+    nb_wait = 0
+    # Acquire lock.
     while True:
         try:
             last_owner = 'no_owner'
@@ -214,7 +218,7 @@ def lock(tmp_dir, timeout=120, min_wait=5, max_wait=10, verbosity=1):
                     last_owner = read_owner
                     time_start = time.time()
                     no_display = (verbosity == 0)
-                if not no_display:
+                if not no_display and nb_wait > 0:
                     if read_owner == 'failure':
                         msg = 'unknown process'
                     else:
@@ -225,6 +229,7 @@ def lock(tmp_dir, timeout=120, min_wait=5, max_wait=10, verbosity=1):
                                  tmp_dir)
                     if verbosity <= 1:
                         no_display = True
+                nb_wait += 1
                 time.sleep(random.uniform(min_wait, max_wait))
 
             try: