7. $\left|\frac{2}{x+2}\right|<\left|\frac{4}{x^{2}+x-2}\right|$.

Translate the above text into English, keeping the original text's line breaks and format, and output the translation result directly.

7. $\left|\frac{2}{x+2}\right|<\left|\frac{4}{x^{2}+x-2}\right|$.
7. The inequality can be written as: $\frac{2}{|x+2|}<\frac{4}{\left|x^{2}+x-2\right|}$,

$\frac{2}{|x+2|}<\frac{4}{|x+2||x-1|} \quad$ or $1<\frac{2}{|x-1|} ;|x-1|<2$

$-2<x-1<2,-1<x<3, x \neq 1$.