Code : https://github.com/lipton5001/INA226_...
If your text appears streched or distorted, you might have to modify this .h file:
"Adafruit_SSD1306.h" (Adruino/libraries/Adafruit_SSD1306-master/)
in there you will find
// #define SSD1306_128_64
#define SSD1306_128_32
// #define SSD1306_96_16
Uncomment your display and everything should work.