Drop support for Python 3.4

.travis.yml

@@ -46,7 +46,7 @@ env:
   - secure: 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
 matrix:
   include:
-  - python: 3.4
+  - python: 3.5
     env:
     - REPO_TYPE=venv
 deploy:

README.md

@@ -22,7 +22,7 @@ to learn about where the project is heading.
 
 1. Docker to build & run the repositories. The [community edition](https://store.docker.com/search?type=edition&offering=community)
    is recommended.
-2. Python 3.4+.
+2. Python 3.5+.
 
 Supported on Linux and macOS. [See documentation note about Windows support.](http://repo2docker.readthedocs.io/en/latest/install.html#note-about-windows-support)
 

docs/source/changelog.rst

@@ -10,6 +10,8 @@ Release date: TBD
 
 New features
 ------------
+- Increased minimum Python version supported for running  `repo2docker` itself
+  to Python 3.5 in :pr:`684` by :user:`betatim`.
 
 API changes
 -----------

docs/source/install.rst

@@ -3,7 +3,7 @@
 Installing ``repo2docker``
 ==========================
 
-repo2docker requires Python 3.4 and above on Linux and macOS. See
+repo2docker requires Python 3.5 and above on Linux and macOS. See
 :ref:`below <windows>` for more information about Windows support.
 
 Prerequisite: Docker

setup.py

@@ -21,11 +21,11 @@ setup(
         'toml',
         'semver',
     ],
-    python_requires='>=3.4',
+    python_requires='>=3.5',
     author='Project Jupyter Contributors',
     author_email='jupyter@googlegroups.com',
     url='https://repo2docker.readthedocs.io/en/latest/',
-    project_urls = {
+    project_urls={
         'Documentation': 'https://repo2docker.readthedocs.io',
         'Funding': 'https://jupyter.org/about',
         'Source': 'https://github.com/jupyter/repo2docker/',
@@ -33,11 +33,11 @@ setup(
     },
     # this should be a whitespace separated string of keywords, not a list
     keywords="reproducible science environments docker",
-    description = "Repo2docker: Turn code repositories into Jupyter enabled Docker Images",
-    long_description = readme,
-    long_description_content_type = 'text/markdown',
+    description="Repo2docker: Turn code repositories into Jupyter enabled Docker Images",
+    long_description=readme,
+    long_description_content_type='text/markdown',
     license='BSD',
-    classifiers = [
+    classifiers=[
         'Environment :: Console',
         'Intended Audience :: Developers',
         'Intended Audience :: System Administrators',