Scheduled weekly dependency update for week 41 (#85)

* Update pyperclip from 1.8.0 to 1.8.1

* Update readme-renderer from 26.0 to 27.0

* Update tox from 3.20.0 to 3.20.1

* Update tqdm from 4.50.0 to 4.50.2

* Update virtualenv from 20.0.33 to 20.0.34

requirements.txt

@@ -21,18 +21,18 @@ more-itertools==8.5.0
 pkginfo==1.5.0.1
 pluggy==0.13.1
 py==1.9.0
-pyperclip==1.8.0
+pyperclip==1.8.1
 Pygments==2.7.1
 pytest==6.1.1
 pytest-cov==2.10.1
-readme-renderer==26.0
+readme-renderer==27.0
 requests==2.24.0
 requests-toolbelt==0.9.1
 six==1.15.0
 toml==0.10.1
-tox==3.20.0
-tqdm==4.50.0
+tox==3.20.1
+tqdm==4.50.2
 twine==3.2.0
 urllib3==1.25.10
-virtualenv==20.0.33
+virtualenv==20.0.34
 webencodings==0.5.1