fix python version in travis

.travis.yml

@@ -1,5 +1,7 @@
 sudo: false
 language: "python"
+python:
+  - "3.6"
 install:
   - "pip3 install -U pip"  # upgrade pip
   - "pip3 install codecov pytest pytest-cov"  # test coverage

VERSION

@@ -1 +1 @@
-10.2.3 (3de91abc839bf92fcc726bb4aa0d7cb75ef0d362)
+10.2.3 (a3598ce79ae74bb18a671a37286ef51a10095617)

hal/__version__.py

@@ -2,7 +2,7 @@
 __description__ = 'Your swiss knife to perform fast and easy pythonic stuff'
 __url__ = 'https://sirfoga.github.io/pyhal/'
 __version__ = '10.2.3'
-__build__ = '3de91abc839bf92fcc726bb4aa0d7cb75ef0d362'
+__build__ = 'a3598ce79ae74bb18a671a37286ef51a10095617'
 __author__ = 'Stefano Fogarollo'
 __author_email__ = 'sirfoga@protonmail.com'
 __license__ = 'MIT'

hal/streams/user.py

@@ -131,12 +131,12 @@ def get_number(self, question,
                 if just_these:
                     if user_answer in just_these:
                         return user_answer
-                    else:
-                        exc = "Number cannot be accepted. Just these: "
-                        exc += str(just_these)
-                        raise Exception(exc)
-                else:
-                    return user_answer
+
+                    exc = "Number cannot be accepted. Just these: "
+                    exc += str(just_these)
+                    raise Exception(exc)
+
+                return user_answer
 
             exc = "Number is not within limits. "
             exc += "Min is " + str(min_i) + ". Max is " + str(max_i) + ""