From 7cdfc7c0266b5ca84be2fb8f6923caa98dd39c3c Mon Sep 17 00:00:00 2001
From: Christian Paul Dehli <dehli@gatech.edu>
Date: Wed, 16 Nov 2016 23:37:16 -0500
Subject: [PATCH] Fixed warnings

---
 .swift-version              | 1 +
 Sources/TouchDrawView.swift | 3 +--
 2 files changed, 2 insertions(+), 2 deletions(-)
 create mode 100644 .swift-version

diff --git a/.swift-version b/.swift-version
new file mode 100644
index 0000000..cb2b00e
--- /dev/null
+++ b/.swift-version
@@ -0,0 +1 @@
+3.0.1
diff --git a/Sources/TouchDrawView.swift b/Sources/TouchDrawView.swift
index 637543a..a310823 100644
--- a/Sources/TouchDrawView.swift
+++ b/Sources/TouchDrawView.swift
@@ -130,8 +130,7 @@ open class TouchDrawView: UIView {
 
     /// removes the last stroke from stack
     internal func popDrawing() {
-        let stroke = stack.last
-        self.stack.popLast()
+        let stroke = self.stack.popLast()
         self.redrawLinePathsInStack()
         self.touchDrawUndoManager!.registerUndo(withTarget: self, selector: #selector(TouchDrawView.pushDrawing(_:)), object: stroke)
     }