Removing zero-division decorator when unnecessary.

README.md

@@ -37,7 +37,7 @@ OPFython is compatible with: **Python 3.6+**.
 
 If you use OPFython to fulfill any of your needs, please cite us:
 
-```
+```BibTex
 @misc{rosa2020opfython,
     title={OPFython: A Python-Inspired Optimum-Path Forest Classifier},
     author={Gustavo Henrique de Rosa and João Paulo Papa and Alexandre Xavier Falcão},
@@ -64,7 +64,7 @@ Alternatively, if you wish to learn even more, please take a minute:
 
 OPFython is based on the following structure, and you should pay attention to its tree:
 
-```
+```yaml
 - opfython
     - core
         - heap
@@ -124,13 +124,13 @@ This is a utility package. Common things shared across the application should be
 
 We believe that everything has to be easy. Not tricky or daunting, OPFython will be the one-to-go package that you will need, from the very first installation to the daily-tasks implementing needs. If you may just run the following under your most preferred Python environment (raw, conda, virtualenv, whatever):
 
-```Python
+```bash
 pip install opfython
 ```
 
 Alternatively, if you prefer to install the bleeding-edge version, please clone this repository and use:
 
-```Python
+```bash
 pip install .
 ```