Fix other import orders

patacrep/__init__.py

@@ -1,10 +1,11 @@
 """Global variables."""
 
-from pkg_resources import resource_filename
 import os
+import sys
+
+from pkg_resources import resource_filename
 
 # Check Python version
-import sys
 if sys.version_info < (3, 3):
     print("ERROR: Your Python version is too old. Please use a Python version > 3.3.")
     sys.exit(1)

patacrep/index.py

@@ -6,8 +6,8 @@ from a file generated by the latex compilation of the songbook (.sxd).
 """
 
 import locale
-import unidecode
 import re
+import unidecode
 
 from patacrep import authors
 from patacrep import encoding

patacrep/templates.py

@@ -1,11 +1,12 @@
 """Template for .tex generation settings and utilities"""
 
+import re
+import json
+
 from jinja2 import Environment, FileSystemLoader, ChoiceLoader, \
         TemplateNotFound, nodes
 from jinja2.ext import Extension
 from jinja2.meta import find_referenced_templates as find_templates
-import re
-import json
 
 from patacrep import errors, files
 from patacrep.latex import lang2babel