Remove unnecessary imports and sort imports

pubmed_parser/medline_parser.py

@@ -2,11 +2,11 @@
 Parsers for MEDLINE XML
 """
 import re
-import numpy as np
 import gzip
 from itertools import chain
+
 from lxml import etree
-from collections import defaultdict
+
 from pubmed_parser.utils import read_xml, stringify_children, month_or_day_formater
 
 

pubmed_parser/pubmed_oa_parser.py

@@ -2,11 +2,12 @@
 Parsers for PubMed XML
 """
 import os
-from lxml import etree
 from itertools import chain
-from .utils import read_xml, stringify_affiliation_rec, stringify_children
+
+from lxml import etree
 from unidecode import unidecode
 
+from .utils import read_xml, stringify_affiliation_rec, stringify_children
 
 def list_xml_path(path_dir):
     """

pubmed_parser/pubmed_web_parser.py

@@ -1,15 +1,10 @@
-import sys
 import re
 import time
+from urllib.request import urlopen
+
 import requests
-from lxml import etree
-from lxml import html
-from unidecode import unidecode
-
-try:
-    from urllib.request import urlopen
-except ImportError:
-    from urllib2 import urlopen
+from lxml import etree, html
+
 from .utils import stringify_children
 
 

pubmed_parser/utils.py

@@ -1,13 +1,11 @@
 import calendar
-import collections
-try:
-    from collections.abc import Iterable
-except:
-    from collections import Iterable
+from itertools import chain
 from time import strptime
-from six import string_types
+
+from collections.abc import Iterable
+
 from lxml import etree
-from itertools import chain
+from six import string_types
 
 
 def remove_namespace(tree):

pyproject.toml

@@ -45,8 +45,7 @@ dependencies = [
     "lxml",
     "unidecode",
     "requests",
-    "six",
-    "numpy"
+    "six"
 ]
 dynamic = ["version"]
 

tests/test_pubmed_oa_parser.py

@@ -1,9 +1,11 @@
-import os
-import tarfile
 from io import BytesIO
+
+import tarfile
 import requests
+
 import pubmed_parser as pp
 
+
 def fetch_pubmed_xml(db_dir):
     """Fetch Pubmed OA XML package"""
     url = f'https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_package/{db_dir}.tar.gz'

tests/test_pubmed_web_parser.py

@@ -1,6 +1,7 @@
-import pubmed_parser as pp
 import random
 
+import pubmed_parser as pp
+
 
 def test_pubmed_web_parser_all_fields_content():
     """