Salto de linea
Para que no se cree un salto de linea en el csv hay que agregar newline=''
with open(FILE_PATH,'a', newline='') as file:
<span style="color: #72f8b5;">Tambien lineterminator mejora el manejo de saltos de linea </span> writer <span style="color: #fc5773;">=</span> csv.<span style="color: #e0474b;">DictWriter</span><span style="color: #69e0f5;">(</span> <span style="color: #72f8b5;"> file, </span><span style="color: #72f8b5;font-style: italic;">fieldnames</span><span style="color: #fc5773;">=[</span><span style="color: #72f8b5;">"first_name"</span><span style="color: #72f8b5;">, </span><span style="color: #72f8b5;">"last_name"</span><span style="color: #72f8b5;">, </span><span style="color: #72f8b5;">"email"</span><span style="color: #72f8b5;">], </span><span style="color: #72f8b5;font-style: italic;">lineterminator</span><span style="color: #fc5773;">=</span><span style="color: #72f8b5;">"\n"</span> <span style="color: #72f8b5;"> </span><span style="color: #69e0f5;">)</span>