Bump pygments from 2.4.2 to 2.7.4 in /python/src

python/src/requirements.txt

@@ -1,25 +1,24 @@
-atomicwrites==1.3.0
-attrs==19.3.0
-certifi==2019.9.11
-chardet==3.0.4
-colorama==0.4.1
-httpie==1.0.3
-idna==2.8
-importlib-metadata==0.23
-more-itertools==7.2.0
-mypy==0.740
-mypy-extensions==0.4.3
-packaging==19.2
-pep8==1.7.1
-pluggy==0.13.0
-py==1.8.0
-Pygments==2.4.2
-pyparsing==2.4.2
-pytest==5.2.1
-requests==2.22.0
-six==1.12.0
-typed-ast==1.4.0
-typing-extensions==3.7.4
-urllib3==1.25.6
-wcwidth==0.1.7
-zipp==0.6.0
+-i https://pypi.org/simple/
+atomicwrites==1.4.0
+attrs==20.3.0
+certifi==2020.12.5
+chardet==4.0.0
+httpie==1.0.3
+idna==2.10
+importlib-metadata==3.9.1 ; python_version < '3.8'
+more-itertools==8.7.0
+mypy-extensions==0.4.3
+mypy==0.740
+packaging==20.9
+pep8==1.7.1
+pluggy==0.13.1
+py==1.10.0
+pygments==2.7.4
+pyparsing==2.4.7
+pytest==5.2.1
+requests==2.25.1
+typed-ast==1.4.2
+typing-extensions==3.7.4.3 ; python_version < '3.8'
+urllib3==1.26.4
+wcwidth==0.2.5
+zipp==3.4.1