diff --git a/.flake8 b/.flake8
new file mode 100644
index 000000000..796971547
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,3 @@
+[flake8]
+max-line-length = 120
+exclude=.venv
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 000000000..3a1469e52
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,7 @@
+language: python
+python:
+  - 3.6
+install:
+  - pip install -q -r requirements-dev.txt
+script:
+  - flake8
\ No newline at end of file
diff --git a/README.md b/README.md
index 99946f208..980f7db5c 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,25 @@ Nesse curso é ensinado como contribuir com projetos de código aberto
 
 Link para o curso [Python Pro](https://www.python.pro.br/)
 
+[![Build Status](https://travis-ci.org/pythonprobr/libpythonpro.svg?branch=master)](https://travis-ci.org/pythonprobr/libpythonpro)
+
+Suportada versão 3 de Python
+
+Para instalar:
+
+```console
+python3 -m venv .venv
+source .venv/bin/activate
+pip install -r requirements-dev.txt
+```
+
+Para conferir qualidade de código:
+
+```console
+flake8
+
+```
+
 Tópicos a serem abordados:
  1. Git
  2. Virtualenv
diff --git a/libpythonpro/__init__.py b/libpythonpro/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/libpythonpro/github_api.py b/libpythonpro/github_api.py
new file mode 100644
index 000000000..7d29e4e68
--- /dev/null
+++ b/libpythonpro/github_api.py
@@ -0,0 +1,17 @@
+import requests
+
+
+def buscar_avatar(usuario):
+    """
+    Busca o avatar de um usuário no Github
+
+    :param usuario: str com o nome de usuário no github
+    :return: str com o link do avatar
+    """
+    url = f'https://api.github.com/users/{usuario}'
+    resp = requests.get(url)
+    return resp.json()['avatar_url']
+
+
+if __name__ == '__main__':
+    print(buscar_avatar('renzon'))
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 000000000..a9fca4b76
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,5 @@
+flake8==3.5.0
+mccabe==0.6.1
+pycodestyle==2.3.1
+pyflakes==1.6.0
+-r requirements.txt
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 000000000..86431e80a
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,5 @@
+certifi==2018.4.16
+chardet==3.0.4
+idna==2.6
+requests==2.18.3
+urllib3==1.22