use whole path to git

buzzword/parts/nav.py

@@ -3,7 +3,7 @@
 """
 
 import buzzword
-import os
+import subprocess
 import dash_core_components as dcc
 import dash_html_components as html
 from buzzword.parts import style
@@ -13,11 +13,11 @@ def _make_navbar(debug):
     """
     Generate navigation bar. Debug will add version information
     """
+
     if debug:
         version = buzzword.__version__
-        commit = "git rev-parse --short HEAD"
-        print('CURRENT DIR', os.getcwd())
-        commit = os.popen(commit).read()
+        commit = "/usr/bin/git rev-parse --short HEAD"
+        commit = subprocess.check_output(commit.split()).decode("utf-8").strip()
         ver_string = "version {}: {}".format(version, commit)
         github = "https://github.com/interrogator/buzzword/tree/" + commit
         git_sty = {**style.NAV_HEADER, **{"fontSize": "12pt", "paddingLeft": "20px"}}