Updated version and changelog

CHANGELOG.md

@@ -1,3 +1,8 @@
+v0.3.1
+======
+
+- fixed crash with calibration assistant
+
 v0.3.0
 ======
 

NanoVNASaver/About.py

@@ -22,7 +22,7 @@ VERSION_URL = (
     "https://raw.githubusercontent.com/"
     "NanoVNA-Saver/nanovna-saver/master/NanoVNASaver/About.py")
 
-INFO_URL="https://github.com/NanoVNA-Saver/nanovna-saver"
+INFO_URL = "https://github.com/NanoVNA-Saver/nanovna-saver"
 INFO = f"""NanoVNASaver {VERSION}
 
 Copyright (C) 2019, 2020 Rune B. Broberg
@@ -34,4 +34,4 @@ This program is licensed under the GNU General Public License version 3
 See {INFO_URL} for further details.
 """
 
-RELEASE_URL="https://github.com/NanoVNA-Saver/nanovna-saver"
+RELEASE_URL = "https://github.com/NanoVNA-Saver/nanovna-saver"