Remove obsolete unittest2 support (#2)

MiWeiss · mgorny · web-flow · commit fb8640757756 · 2022-06-03T13:45:00.000+02:00
Now that the package does not support Python 2 anymore, there is
no reason to ever use unittest2.

Co-authored-by: Michał Górny &lt;mgorny@gentoo.org&gt;
diff --git a/bibtexparser/tests/test_crossref_resolving.py b/bibtexparser/tests/test_crossref_resolving.py
@@ -1,7 +1,4 @@
-try:
-    import unittest2 as unittest
-except ImportError:
-    import unittest
+import unittest
 from bibtexparser.bibdatabase import BibDatabase
 from bibtexparser.bparser import BibTexParser
 
diff --git a/requirements.txt b/requirements.txt
@@ -1,3 +1,2 @@
 future>=0.16.0
 pyparsing>=2.0.3
-unittest2>=1.1.0
diff --git a/setup.py b/setup.py
@@ -23,5 +23,4 @@
     packages     = ['bibtexparser'],
     install_requires = ['pyparsing>=2.0.3',
                         'future>=0.16.0'],
-    extra_requires = {'unittest': 'unittest2>=1.1.0'}
 )

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,2 @@`
`1`	`1`	`future>=0.16.0`
`2`	`2`	`pyparsing>=2.0.3`
`3`		`-unittest2>=1.1.0`
Original file line number	Diff line number	Diff line change
`@@ -23,5 +23,4 @@`
`23`	`23`	`packages = ['bibtexparser'],`
`24`	`24`	`install_requires = ['pyparsing>=2.0.3',`
`25`	`25`	`'future>=0.16.0'],`
`26`		`- extra_requires = {'unittest': 'unittest2>=1.1.0'}`
`27`	`26`	`)`