Update install_guide_osx+ubuntu.md

Author: wooridle

wiki/install_guide_osx+ubuntu.md

@@ -34,7 +34,7 @@ $ python -V
 
    링크: [https://www.jetbrains.com/pycharm/download/#section=linux](https://www.jetbrains.com/pycharm/download/#section=linux)
 
-   <img src="./rlcode_image/pycharm_community.png"; />
+   <img src="./rlcode_image/pycharm_community.png"/>
 
    ​
 
@@ -61,7 +61,7 @@ $ python -V
    ```
    ​
 
-   <img src="./rlcode_image/sh_pycharm.sh.png"; />
+   <img src="./rlcode_image/sh_pycharm.sh.png"/>
 
    ​
 
@@ -338,4 +338,4 @@ for _ in range(1000):
 
 [[2\]](#_ftnref2) https://github.com/openai/gym
 
-[[3\]](#_ftnref3) https://www.python.org/downloads/release/python-350/
+[[3\]](#_ftnref3) https://www.python.org/downloads/release/python-350/