diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 000000000..26d33521a
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/Projeto.iml b/.idea/Projeto.iml
new file mode 100644
index 000000000..e85cfa870
--- /dev/null
+++ b/.idea/Projeto.iml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.venv" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="PyDocumentationSettings">
+    <option name="format" value="PLAIN" />
+    <option name="myDocStringFormat" value="Plain" />
+  </component>
+  <component name="TestRunnerService">
+    <option name="PROJECT_TEST_RUNNER" value="py.test" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 000000000..105ce2da2
--- /dev/null
+++ b/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 000000000..ca4672524
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9 (Projeto)" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 000000000..99da9f5c3
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Projeto.iml" filepath="$PROJECT_DIR$/.idea/Projeto.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 000000000..94a25f7f4
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index 6694375b7..2c9fe5a17 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,8 @@
 language: python
 python:
-  - 3.7
+  - 3.9
 install:
-  - pip install -q pipenv codecov
-  - pipenv sync --dev
+  - pip install -r requirements-dev.txt
 script:
   - flake8
-  - pytest libpythonpro --cov=libpythonpro
-after_success:
-  - codecov
\ No newline at end of file
+  - pytest libpythonpro
\ No newline at end of file
diff --git a/Pipfile b/Pipfile
index af5c7333d..3677ac1af 100644
--- a/Pipfile
+++ b/Pipfile
@@ -14,4 +14,4 @@ pytest-mock = "*"
 requests = "*"
 
 [requires]
-python_version = "3.7"
+python_version = "3.9"
diff --git a/README.md b/README.md
index 676c14d7f..6b76d15b4 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ 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)
+[![Build Status](https://app.travis-ci.com/Dansilllva/libpythonpro.svg?branch=master)](https://app.travis-ci.com/Dansilllva/libpythonpro)
 [![Updates](https://pyup.io/repos/github/pythonprobr/libpythonpro/shield.svg)](https://pyup.io/repos/github/pythonprobr/libpythonpro/)
 [![Python 3](https://pyup.io/repos/github/pythonprobr/libpythonpro/python-3-shield.svg)](https://pyup.io/repos/github/pythonprobr/libpythonpro/)
 [![codecov](https://codecov.io/gh/pythonprobr/libpythonpro/branch/master/graph/badge.svg)](https://codecov.io/gh/pythonprobr/libpythonpro)
@@ -16,14 +16,15 @@ Suportada versão 3 de Python
 Para instalar:
 
 ```console
-pip install pipenv
-pipenv install --dev
+python3 -m venv .venv
+.venv\Scripts\activate
+pip install -r requirements-dev.txt
 ```
 
 Para conferir qualidade de código:
 
 ```console
-pipenv run flake8
+flake8
 ```
 
 Tópicos a serem abordados:
diff --git a/libpythonpro/github_api.py b/libpythonpro/github_api.py
index 8b0fbafb9..93d98d1cf 100644
--- a/libpythonpro/github_api.py
+++ b/libpythonpro/github_api.py
@@ -11,3 +11,7 @@ def buscar_avatar(usuario):
     url = f'https://api.github.com/users/{usuario}'
     resp = requests.get(url)
     return resp.json()['avatar_url']
+
+
+if __name__ == '__main__':
+    print(buscar_avatar('Dansilllva'))
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 000000000..63452185b
Binary files /dev/null and b/requirements-dev.txt differ
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 000000000..c54a86932
Binary files /dev/null and b/requirements.txt differ