PyCharm is sometimes stupid and imported matplotlib without telling me.

app.py

@@ -4,8 +4,6 @@ import mimetypes

                                
                                
                                
                            
                                
                                    
                                        
                                            4  
                                            import flask
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            5  
                                            import ruamel.yaml as yaml
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            6  
                                            import sqlalchemy.dialects.postgresql
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        7 -
                                        from matplotlib.image import thumbnail
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        8 -
                                        
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            7  
                                            import config
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            8  
                                            import markdown
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            9