Update opensuse.md

Author: me-no-dev

docs/arduino-ide/opensuse.md

@@ -6,7 +6,11 @@ Installation instructions for openSUSE
 
   ```bash
   sudo usermod -a -G dialout $USER && \
-  sudo zypper install git python3-pip python3-pyserial && \
+  if [ `python --version 2>&1 | grep '2.7' | wc -l` = "1" ]; then \
+  sudo zypper install git python-pip python-pyserial; \
+  else \
+  sudo zypper install git python3-pip python3-pyserial; \
+  fi && \
   mkdir -p ~/Arduino/hardware/espressif && \
   cd ~/Arduino/hardware/espressif && \
   git clone https://github.com/espressif/arduino-esp32.git esp32 && \