bugfix: Check if connected to tty before using system commands

fixes #1

Author: diningPhilosopher64

README.md

@@ -25,11 +25,14 @@ The MATLAB Proxy is under active development. For support or to report issues, s
   Install it on your linux machine using:
   ```bash
   # On a Debian/Ubuntu based system:
-  sudo apt install Xvfb
+  $ sudo apt install xvfb
   ```
   ```bash
   # On a RHEL based system:
-  sudo yum install Xvfb
+  $ yum search Xvfb
+  xorg-x11-server-Xvfb.x86_64 : A X Windows System virtual framebuffer X server.
+
+  $ sudo yum install xorg-x11-server-Xvfb
   ```
 * Python versions: **3.6** | **3.7** | **3.8** | **3.9** 
 * [Browser Requirements](https://www.mathworks.com/support/requirements/browser-requirements.html)

matlab_proxy/util/__init__.py

@@ -124,6 +124,15 @@ def prettify(boundary_filler=" ", text_arr=[]):
         [str]: Prettified String
     """
 
+    import sys
+
+    if not sys.stdout.isatty():
+        return (
+            "\n============================\n"
+            + "\n".join(text_arr)
+            + "\n============================\n"
+        )
+
     size = os.get_terminal_size()
     cols, _ = size.columns, size.lines
 

setup.py

@@ -51,7 +51,7 @@ def run(self):
 
 setuptools.setup(
     name="matlab-proxy",
-    version="0.2.3",
+    version="0.2.4",
     url=config["doc_url"],
     author="The MathWorks, Inc.",
     author_email="cloud@mathworks.com",