diff --git a/dataflow/src/patches/Adder.cs b/dataflow/src/patches/Adder.cs
index e801492..8b1a2be 100644
--- a/dataflow/src/patches/Adder.cs
+++ b/dataflow/src/patches/Adder.cs
@@ -13,10 +13,10 @@ namespace Dataflow.Patches {
 public class Adder {
     [Inlet(Name="Left")]
     public Inlet<int> left { get; set; }
-    
+
     [Inlet(Name="Right")]
     public Inlet<int> right { get; set; }
-    
+
     [Outlet(Name="Result")]
     public Outlet<int> result { get; set; }
 
diff --git a/dataflow/src/patches/Exec.cs b/dataflow/src/patches/Exec.cs
index 3887b8a..72a164b 100644
--- a/dataflow/src/patches/Exec.cs
+++ b/dataflow/src/patches/Exec.cs
@@ -32,7 +32,7 @@ public class Exec {
 
     [Outlet(Name="Status")]
     public Outlet<int> Status { get; set; }
-    
+
     public void Init(IPatchContainer container) {
         Args = container.AddInlet<string>("Arguments");
         Path = container.AddInlet<string>("Path");
@@ -41,7 +41,7 @@ public void Init(IPatchContainer container) {
         StdOut = container.AddOutlet<string>("Output");
         StdErr = container.AddOutlet<string>("Error");
         Status = container.AddOutlet<int>("Status");
-                
+
     }
 
     public void Execute() {
@@ -55,21 +55,21 @@ public void Execute() {
         info.RedirectStandardError = true;
         try {
             Process proc = Process.Start(info);
-            
+
             proc.StandardInput.Write(StdIn.Value);
             proc.StandardInput.Close();
-            
+
             StdErr.Value = proc.StandardError.ReadToEnd();
             StdOut.Value = proc.StandardOutput.ReadToEnd();
-            
+
             proc.WaitForExit();
 
-            Status.Value = proc.ExitCode;            
+            Status.Value = proc.ExitCode;
         } catch {
             Status.Value = -1;
         }
     }
-  
+
 }
 
 }
diff --git a/dataflow/test/patches/ExecTest.cs b/dataflow/test/patches/ExecTest.cs
index 931c062..4dde82d 100644
--- a/dataflow/test/patches/ExecTest.cs
+++ b/dataflow/test/patches/ExecTest.cs
@@ -64,7 +64,7 @@ protected Outlet<string> ErrorOutlet() {
     protected void Run() {
         Exec exec = new Exec();
         exec.Init(mockPatchContainer);
-        
+
         exec.Execute();
     }
 
@@ -78,22 +78,22 @@ public void ShouldSetStatusToOneWhenExecutableNotFound() {
         Outlet<string> error = ErrorOutlet();
 
         Run();
-        
+
         Assert.AreEqual(-1, status.Value);
     }
-    
+
     [Test()]
     public void ShouldExecuteShellCommandGracefully() {
         PathIs("/usr/bin/true");
         ArgumentsAre("");
         InputIs("");
-        
+
         Outlet<int> status = StatusOutlet();
         Outlet<string> output = OutputOutlet();
         Outlet<string> error = ErrorOutlet();
 
         Run();
-        
+
         Assert.AreEqual(0, status.Value);
     }
 
@@ -102,28 +102,28 @@ public void ShouldExecuteShellCommandWithErrorExitCodeGracefully() {
         PathIs("/usr/bin/false");
         ArgumentsAre("");
         InputIs("");
-        
+
         Outlet<int> status = StatusOutlet();
         Outlet<string> output = OutputOutlet();
         Outlet<string> error = ErrorOutlet();
 
         Run();
-        
+
         Assert.AreEqual(1, status.Value);
     }
-    
+
     [Test()]
     public void ShouldExecuteShellCommandWithOutputToStdOut() {
         PathIs("/bin/echo");
         ArgumentsAre("hello");
         InputIs("");
-        
+
         Outlet<int> status = StatusOutlet();
         Outlet<string> output = OutputOutlet();
         Outlet<string> error = ErrorOutlet();
 
         Run();
-        
+
         Assert.AreEqual(0, status.Value);
         Assert.AreEqual("hello\n", output.Value);
     }
@@ -133,17 +133,17 @@ public void ShouldExecuteShellCommandWithInputFromStdIn() {
         PathIs("/bin/cat");
         ArgumentsAre("");
         InputIs("hello");
-        
+
         Outlet<int> status = StatusOutlet();
         Outlet<string> output = OutputOutlet();
         Outlet<string> error = ErrorOutlet();
 
         Run();
-        
+
         Assert.AreEqual(0, status.Value);
         Assert.AreEqual("hello", output.Value);
     }
-    
-    
+
+
 }
 }
\ No newline at end of file
diff --git a/util/format.sh b/util/format.sh
index 6e7cae8..df98e86 100755
--- a/util/format.sh
+++ b/util/format.sh
@@ -4,7 +4,7 @@
 #
 # See AUTHORS and LICENSE for details.
 
-if [ `which astyle` ]; then 
+if [ `which astyle` ]; then
   find . -name *.cs | xargs astyle --mode=cs -U -l -p --style=kr
   exit $?