diff --git a/Robot.sublime-settings b/Robot.sublime-settings
index 3c3a72a..afd6d94 100644
--- a/Robot.sublime-settings
+++ b/Robot.sublime-settings
@@ -74,7 +74,7 @@
         and in Windows this could be like: C:\\Python27\\python.exe
     */
 
-    "path_to_python3": "/usr/bin/python",
+    "path_to_python": "/usr/bin/python",
 
     /*
         Module search path defines a list of paths where the
diff --git a/command_helper/get_keyword.py b/command_helper/get_keyword.py
index 330eecb..c18bb15 100644
--- a/command_helper/get_keyword.py
+++ b/command_helper/get_keyword.py
@@ -161,8 +161,5 @@ def rf_data(self, file_path):
             return None
 
     def is_string(self, str_):
-        if version_info.major > 2:
-            status = isinstance(str_, str)
-        else:
-            raise RuntimeError('Plugin only works with python 3')
-        return status
+        return isinstance(str_, str)
+ 
diff --git a/commands/__init__.py b/commands/__init__.py
index bfe5bd9..18bbf43 100644
--- a/commands/__init__.py
+++ b/commands/__init__.py
@@ -1,3 +1,4 @@
+import subprocess
 from .command_logging import LogCommands
 from .index_open_tab import IndexOpenTabCommand
 from .jump_to_keyword import JumpToKeyword
@@ -11,6 +12,7 @@
 from .setting_import_helper import InsertImport
 from .setting_import_helper import SettingImporter
 from .show_documentation import ShowKeywordDocumentation
+from sublime import error_message
 
 __all__ = [
     'IndexOpenTabCommand',
@@ -27,3 +29,11 @@
     'SettingImporter',
     'ShowKeywordDocumentation'
 ]
+
+def check_binary_version(python_binary):
+    result = subprocess.check_output([python_binary,"-c", "import sys;print(sys.version_info.major)"])
+    version = int(result.decode('utf-8').strip())
+    if version < 3:
+       error_message('RobotFrameworkAssistant\n' +
+        '***********************************\n' +
+        'Plugin fully support on python 3\n')
\ No newline at end of file
diff --git a/commands/scan.py b/commands/scan.py
index 516c076..407af93 100644
--- a/commands/scan.py
+++ b/commands/scan.py
@@ -3,6 +3,7 @@
 import subprocess
 from platform import system
 from os import path, makedirs
+from . import check_binary_version
 from ..setting.setting import get_setting
 from ..setting.setting import SettingObject
 
@@ -34,6 +35,7 @@ def run(self, edit):
         Also all imports, from found files, will be iterated and
         table is created also from imports.
         """
+        check_binary_version(get_setting(SettingObject.python_binary))
         log_file = get_setting(SettingObject.log_file)
         makedirs(path.dirname(log_file), exist_ok=True)
         file_ = open(log_file, 'a')
diff --git a/commands/scan_and_index.py b/commands/scan_and_index.py
index a8200cf..d78c256 100644
--- a/commands/scan_and_index.py
+++ b/commands/scan_and_index.py
@@ -5,6 +5,7 @@
 from os import path, makedirs
 from hashlib import md5
 import json
+from . import check_binary_version
 from ..setting.setting import get_setting
 from ..setting.setting import SettingObject
 from ..setting.db_json_settings import DBJsonSetting
@@ -45,6 +46,7 @@ def add_builtin_vars(db_path):
 class ScanIndexCommand(sublime_plugin.TextCommand):
 
     def run(self, edit):
+        check_binary_version(get_setting(SettingObject.python_binary))
         log_file = get_setting(SettingObject.log_file)
         db_dir = get_setting(SettingObject.table_dir)
         makedirs(path.dirname(log_file), exist_ok=True)
diff --git a/commands/scan_open_tab.py b/commands/scan_open_tab.py
index 6ed5866..8bde1f1 100644
--- a/commands/scan_open_tab.py
+++ b/commands/scan_open_tab.py
@@ -3,6 +3,7 @@
 import subprocess
 from platform import system
 from os import path, makedirs
+from . import check_binary_version
 from ..setting.setting import get_setting
 from ..setting.setting import SettingObject
 from .scan import scan_popen_arg_parser
@@ -16,6 +17,7 @@ def run(self, edit):
         Purpose of the command is scan and create the db table
         from the currently open tab.
         """
+        check_binary_version(get_setting(SettingObject.python_binary))
         log_file = get_setting(SettingObject.log_file)
         makedirs(path.dirname(log_file), exist_ok=True)
         open_tab = self.view.file_name()
diff --git a/setting/setting.py b/setting/setting.py
index 78cface..cb53397 100644
--- a/setting/setting.py
+++ b/setting/setting.py
@@ -51,7 +51,7 @@ class SettingObject(object):
     scanner_runner = 'scanner_runner'
     index_runner = 'index_runner'
     log_file = 'log_file'
-    python_binary = 'path_to_python3'
+    python_binary = 'path_to_python'
     workspace = 'robot_framework_workspace'
     extension = 'robot_framework_extension'
     builtin_variables = 'robot_framework_builtin_variables'