diff --git a/cobra/log.py b/cobra/log.py
index cd27fb22..04c517fc 100644
--- a/cobra/log.py
+++ b/cobra/log.py
@@ -120,6 +120,8 @@ def emit(self, record):
             if not self.is_tty:
                 if message and message[0] == "\r":
                     message = message[1:]
+                if sys.version > '3':
+                    message = message.decode()
                 stream.write(message)
             else:
                 self.output_colorized(message)
diff --git a/install.sh b/install.sh
new file mode 100755
index 00000000..1394f28d
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+OS=`uname -s`
+if [ ${OS} == "Darwin"  ];then
+    brew install grep findutils flex phantomjs
+elif [ ${OS} == "Linux"  ];then
+    source /etc/os-release
+    case $ID in
+        debian|ubuntu|devuan)
+            sudo apt-get install flex bison phantomjs
+            ;;
+        centos|fedora|rhel)
+            yumdnf="yum"
+            if test "$(echo "$VERSION_ID >= 22" | bc)" -ne 0;
+            then
+                yumdnf="dnf"
+            fi
+            sudo $yumdnf install -y flex bison phantomjs
+            ;;
+        *)
+            exit 1
+            ;;
+    esac
+else
+    echo "Other OS: ${OS}"
+fi
+
+SHELL_FOLDER=$(dirname "$0")
+pip3 install -r $SHELL_FOLDER/requirements.txt
\ No newline at end of file