From d50f469c09ba48cfb850556699390e6c50e4e651 Mon Sep 17 00:00:00 2001
From: fchollet <francois.chollet@gmail.com>
Date: Tue, 12 Apr 2016 09:41:29 -0700
Subject: [PATCH] Fix for invalid dropout values

---
 keras/layers/core.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/keras/layers/core.py b/keras/layers/core.py
index eae9e7eeb88..b7c20c4f7bc 100644
--- a/keras/layers/core.py
+++ b/keras/layers/core.py
@@ -76,9 +76,10 @@ class Dropout(Layer):
         - [Dropout: A Simple Way to Prevent Neural Networks from Overfitting](http://www.cs.toronto.edu/~rsalakhu/papers/srivastava14a.pdf)
     '''
     def __init__(self, p, **kwargs):
-        self.supports_masking = True
-        self.uses_learning_phase = True
         self.p = p
+        if 0. < self.p < 1.:
+            self.uses_learning_phase = True
+        self.supports_masking = True
         super(Dropout, self).__init__(**kwargs)
 
     def call(self, x, mask=None):