[mypy] Fix type annotations in graphs/boruvka.py

DIRECTORY.md

@@ -109,8 +109,10 @@
 
 ## Computer Vision
   * [Cnn Classification](https://github.com/TheAlgorithms/Python/blob/master/computer_vision/cnn_classification.py)
+  * [Flip Augmentation](https://github.com/TheAlgorithms/Python/blob/master/computer_vision/flip_augmentation.py)
   * [Harris Corner](https://github.com/TheAlgorithms/Python/blob/master/computer_vision/harris_corner.py)
   * [Mean Threshold](https://github.com/TheAlgorithms/Python/blob/master/computer_vision/mean_threshold.py)
+  * [Mosaic Augmentation](https://github.com/TheAlgorithms/Python/blob/master/computer_vision/mosaic_augmentation.py)
 
 ## Conversions
   * [Binary To Decimal](https://github.com/TheAlgorithms/Python/blob/master/conversions/binary_to_decimal.py)
@@ -297,8 +299,8 @@
     * [Test Send File](https://github.com/TheAlgorithms/Python/blob/master/file_transfer/tests/test_send_file.py)
 
 ## Financial
+  * [Equated Monthly Installments](https://github.com/TheAlgorithms/Python/blob/master/financial/equated_monthly_installments.py)
   * [Interest](https://github.com/TheAlgorithms/Python/blob/master/financial/interest.py)
-  * [EMI Calculation](https://github.com/TheAlgorithms/Python/blob/master/financial/equated_monthly_installments.py)
 
 ## Fractals
   * [Julia Sets](https://github.com/TheAlgorithms/Python/blob/master/fractals/julia_sets.py)

graphs/boruvka.py

@@ -26,6 +26,8 @@
 """
 from __future__ import annotations
 
+from typing import Any
+
 
 class Graph:
     def __init__(self, num_of_nodes: int) -> None:
@@ -62,7 +64,7 @@ def set_component(self, u_node: int) -> None:
             for k in self.m_component:
                 self.m_component[k] = self.find_component(k)
 
-    def union(self, component_size: list, u_node: int, v_node: int) -> None:
+    def union(self, component_size: list[int], u_node: int, v_node: int) -> None:
         """Union finds the roots of components for two nodes, compares the components
         in terms of size, and attaches the smaller one to the larger one to form
         single component"""
@@ -84,7 +86,7 @@ def boruvka(self) -> None:
         component_size = []
         mst_weight = 0
 
-        minimum_weight_edge: list[int] = [-1] * self.m_num_of_nodes
+        minimum_weight_edge: list[Any] = [-1] * self.m_num_of_nodes
 
         # A list of components (initialized to all of the nodes)
         for node in range(self.m_num_of_nodes):
@@ -119,7 +121,7 @@ def boruvka(self) -> None:
                             minimum_weight_edge[component] = [u, v, w]
 
             for edge in minimum_weight_edge:
-                if edge != -1:
+                if isinstance(edge, list):
                     u, v, w = edge
 
                     u_component = self.m_component[u]

mypy.ini

@@ -2,4 +2,4 @@
 ignore_missing_imports = True
 install_types = True
 non_interactive = True
-exclude = (graphs/boruvka.py|graphs/breadth_first_search.py|graphs/breadth_first_search_2.py|graphs/check_cycle.py|graphs/finding_bridges.py|graphs/greedy_min_vertex_cover.py|graphs/random_graph_generator.py|matrix_operation.py|other/least_recently_used.py|other/lfu_cache.py|other/lru_cache.py|searches/simulated_annealing.py|searches/ternary_search.py)
+exclude = (graphs/breadth_first_search.py|graphs/breadth_first_search_2.py|graphs/check_cycle.py|graphs/finding_bridges.py|graphs/greedy_min_vertex_cover.py|graphs/random_graph_generator.py|matrix_operation.py|other/least_recently_used.py|other/lfu_cache.py|other/lru_cache.py|searches/simulated_annealing.py|searches/ternary_search.py)